Home / 15,499.40-23,259.90-9,966.20

Finding the Fourth Proportional to 15,499.40, 23,259.90 and 9,966.20

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Solution

The fourth proportional to 15,499.40, 23,259.90 and 9,966.20 is: 14,956.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,499.40 : 23,259.90 = 9,966.20 : x
  2. Step 2: Convert to fraction form
    15,499.40/23,259.90 = 9,966.20/x
  3. Step 3: Cross multiply
    15,499.40x = 23,259.90 × 9,966.20
  4. Step 4: Simplify right side
    15,499.40x = 231,812,815.38
  5. Step 5: Solve for x
    x = 231,812,815.38/15,499.40
  6. Step 6: Final answer
    x = 14,956.24

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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.