Home / 15,497.18-21,380.19-9,526.94

Finding the Fourth Proportional to 15,497.18, 21,380.19 and 9,526.94

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Solution

The fourth proportional to 15,497.18, 21,380.19 and 9,526.94 is: 13,143.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,497.18 : 21,380.19 = 9,526.94 : x
  2. Step 2: Convert to fraction form
    15,497.18/21,380.19 = 9,526.94/x
  3. Step 3: Cross multiply
    15,497.18x = 21,380.19 × 9,526.94
  4. Step 4: Simplify right side
    15,497.18x = 203,687,787.32
  5. Step 5: Solve for x
    x = 203,687,787.32/15,497.18
  6. Step 6: Final answer
    x = 13,143.54

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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.