Home / 12,343.90-18,472.79-10,096.76

Finding the Fourth Proportional to 12,343.90, 18,472.79 and 10,096.76

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Solution

The fourth proportional to 12,343.90, 18,472.79 and 10,096.76 is: 15,109.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,343.90 : 18,472.79 = 10,096.76 : x
  2. Step 2: Convert to fraction form
    12,343.90/18,472.79 = 10,096.76/x
  3. Step 3: Cross multiply
    12,343.90x = 18,472.79 × 10,096.76
  4. Step 4: Simplify right side
    12,343.90x = 186,515,327.16
  5. Step 5: Solve for x
    x = 186,515,327.16/12,343.90
  6. Step 6: Final answer
    x = 15,109.92

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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.