Home / 15,599.76-21,542.12-10,020.56

Finding the Fourth Proportional to 15,599.76, 21,542.12 and 10,020.56

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Solution

The fourth proportional to 15,599.76, 21,542.12 and 10,020.56 is: 13,837.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,599.76 : 21,542.12 = 10,020.56 : x
  2. Step 2: Convert to fraction form
    15,599.76/21,542.12 = 10,020.56/x
  3. Step 3: Cross multiply
    15,599.76x = 21,542.12 × 10,020.56
  4. Step 4: Simplify right side
    15,599.76x = 215,864,105.99
  5. Step 5: Solve for x
    x = 215,864,105.99/15,599.76
  6. Step 6: Final answer
    x = 13,837.66

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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.