Home / 15,529.50-21,428.55-9,562.14

Finding the Fourth Proportional to 15,529.50, 21,428.55 and 9,562.14

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Solution

The fourth proportional to 15,529.50, 21,428.55 and 9,562.14 is: 13,194.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,529.50 : 21,428.55 = 9,562.14 : x
  2. Step 2: Convert to fraction form
    15,529.50/21,428.55 = 9,562.14/x
  3. Step 3: Cross multiply
    15,529.50x = 21,428.55 × 9,562.14
  4. Step 4: Simplify right side
    15,529.50x = 204,902,795.10
  5. Step 5: Solve for x
    x = 204,902,795.10/15,529.50
  6. Step 6: Final answer
    x = 13,194.42

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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.