Home / 12,854.07-19,281.11-4,088.99

Finding the Fourth Proportional to 12,854.07, 19,281.11 and 4,088.99

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Solution

The fourth proportional to 12,854.07, 19,281.11 and 4,088.99 is: 6,133.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854.07 : 19,281.11 = 4,088.99 : x
  2. Step 2: Convert to fraction form
    12,854.07/19,281.11 = 4,088.99/x
  3. Step 3: Cross multiply
    12,854.07x = 19,281.11 × 4,088.99
  4. Step 4: Simplify right side
    12,854.07x = 78,840,293.74
  5. Step 5: Solve for x
    x = 78,840,293.74/12,854.07
  6. Step 6: Final answer
    x = 6,133.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.