Home / 15,343.86-23,001.21-9,781.59

Finding the Fourth Proportional to 15,343.86, 23,001.21 and 9,781.59

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Solution

The fourth proportional to 15,343.86, 23,001.21 and 9,781.59 is: 14,663.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,343.86 : 23,001.21 = 9,781.59 : x
  2. Step 2: Convert to fraction form
    15,343.86/23,001.21 = 9,781.59/x
  3. Step 3: Cross multiply
    15,343.86x = 23,001.21 × 9,781.59
  4. Step 4: Simplify right side
    15,343.86x = 224,988,405.72
  5. Step 5: Solve for x
    x = 224,988,405.72/15,343.86
  6. Step 6: Final answer
    x = 14,663.09

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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.