Home / 20,301.32-30,437.22-13,711.16

Finding the Fourth Proportional to 20,301.32, 30,437.22 and 13,711.16

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Solution

The fourth proportional to 20,301.32, 30,437.22 and 13,711.16 is: 20,556.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,301.32 : 30,437.22 = 13,711.16 : x
  2. Step 2: Convert to fraction form
    20,301.32/30,437.22 = 13,711.16/x
  3. Step 3: Cross multiply
    20,301.32x = 30,437.22 × 13,711.16
  4. Step 4: Simplify right side
    20,301.32x = 417,329,593.38
  5. Step 5: Solve for x
    x = 417,329,593.38/20,301.32
  6. Step 6: Final answer
    x = 20,556.77

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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.