Home / 13,502.79-20,242.22-7,266.15

Finding the Fourth Proportional to 13,502.79, 20,242.22 and 7,266.15

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Solution

The fourth proportional to 13,502.79, 20,242.22 and 7,266.15 is: 10,892.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,502.79 : 20,242.22 = 7,266.15 : x
  2. Step 2: Convert to fraction form
    13,502.79/20,242.22 = 7,266.15/x
  3. Step 3: Cross multiply
    13,502.79x = 20,242.22 × 7,266.15
  4. Step 4: Simplify right side
    13,502.79x = 147,082,970.52
  5. Step 5: Solve for x
    x = 147,082,970.52/13,502.79
  6. Step 6: Final answer
    x = 10,892.78

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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.