Home / 15,226.52-21,013.38-9,257.20

Finding the Fourth Proportional to 15,226.52, 21,013.38 and 9,257.20

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Solution

The fourth proportional to 15,226.52, 21,013.38 and 9,257.20 is: 12,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,226.52 : 21,013.38 = 9,257.20 : x
  2. Step 2: Convert to fraction form
    15,226.52/21,013.38 = 9,257.20/x
  3. Step 3: Cross multiply
    15,226.52x = 21,013.38 × 9,257.20
  4. Step 4: Simplify right side
    15,226.52x = 194,525,061.34
  5. Step 5: Solve for x
    x = 194,525,061.34/15,226.52
  6. Step 6: Final answer
    x = 12,775.41

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Double scale
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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.