Home / 11,250.29-15,515.40-7,267.22

Finding the Fourth Proportional to 11,250.29, 15,515.40 and 7,267.22

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Solution

The fourth proportional to 11,250.29, 15,515.40 and 7,267.22 is: 10,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,250.29 : 15,515.40 = 7,267.22 : x
  2. Step 2: Convert to fraction form
    11,250.29/15,515.40 = 7,267.22/x
  3. Step 3: Cross multiply
    11,250.29x = 15,515.40 × 7,267.22
  4. Step 4: Simplify right side
    11,250.29x = 112,753,792.17
  5. Step 5: Solve for x
    x = 112,753,792.17/11,250.29
  6. Step 6: Final answer
    x = 10,022.30

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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.