Home / 15,073.29-20,801.12-8,358.75

Finding the Fourth Proportional to 15,073.29, 20,801.12 and 8,358.75

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Solution

The fourth proportional to 15,073.29, 20,801.12 and 8,358.75 is: 11,535.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,073.29 : 20,801.12 = 8,358.75 : x
  2. Step 2: Convert to fraction form
    15,073.29/20,801.12 = 8,358.75/x
  3. Step 3: Cross multiply
    15,073.29x = 20,801.12 × 8,358.75
  4. Step 4: Simplify right side
    15,073.29x = 173,871,320.01
  5. Step 5: Solve for x
    x = 173,871,320.01/15,073.29
  6. Step 6: Final answer
    x = 11,535.06

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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.