Home / 12,054.99-16,633.20-7,275.71

Finding the Fourth Proportional to 12,054.99, 16,633.20 and 7,275.71

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Solution

The fourth proportional to 12,054.99, 16,633.20 and 7,275.71 is: 10,038.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,054.99 : 16,633.20 = 7,275.71 : x
  2. Step 2: Convert to fraction form
    12,054.99/16,633.20 = 7,275.71/x
  3. Step 3: Cross multiply
    12,054.99x = 16,633.20 × 7,275.71
  4. Step 4: Simplify right side
    12,054.99x = 121,018,381.16
  5. Step 5: Solve for x
    x = 121,018,381.16/12,054.99
  6. Step 6: Final answer
    x = 10,038.86

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.