Home / 12,499.60-17,262.36-10,812.90

Finding the Fourth Proportional to 12,499.60, 17,262.36 and 10,812.90

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Solution

The fourth proportional to 12,499.60, 17,262.36 and 10,812.90 is: 14,932.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,499.60 : 17,262.36 = 10,812.90 : x
  2. Step 2: Convert to fraction form
    12,499.60/17,262.36 = 10,812.90/x
  3. Step 3: Cross multiply
    12,499.60x = 17,262.36 × 10,812.90
  4. Step 4: Simplify right side
    12,499.60x = 186,656,172.44
  5. Step 5: Solve for x
    x = 186,656,172.44/12,499.60
  6. Step 6: Final answer
    x = 14,932.97

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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.