Home / 12,565.22-17,338.76-7,259.91

Finding the Fourth Proportional to 12,565.22, 17,338.76 and 7,259.91

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Solution

The fourth proportional to 12,565.22, 17,338.76 and 7,259.91 is: 10,017.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,565.22 : 17,338.76 = 7,259.91 : x
  2. Step 2: Convert to fraction form
    12,565.22/17,338.76 = 7,259.91/x
  3. Step 3: Cross multiply
    12,565.22x = 17,338.76 × 7,259.91
  4. Step 4: Simplify right side
    12,565.22x = 125,877,800.81
  5. Step 5: Solve for x
    x = 125,877,800.81/12,565.22
  6. Step 6: Final answer
    x = 10,017.96

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Half scale
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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.