Home / 19,001.34-26,221.94-10,387.53

Finding the Fourth Proportional to 19,001.34, 26,221.94 and 10,387.53

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Solution

The fourth proportional to 19,001.34, 26,221.94 and 10,387.53 is: 14,334.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,001.34 : 26,221.94 = 10,387.53 : x
  2. Step 2: Convert to fraction form
    19,001.34/26,221.94 = 10,387.53/x
  3. Step 3: Cross multiply
    19,001.34x = 26,221.94 × 10,387.53
  4. Step 4: Simplify right side
    19,001.34x = 272,381,136.47
  5. Step 5: Solve for x
    x = 272,381,136.47/19,001.34
  6. Step 6: Final answer
    x = 14,334.84

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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.