Home / 19,129.59-26,398.98-10,631.88

Finding the Fourth Proportional to 19,129.59, 26,398.98 and 10,631.88

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Solution

The fourth proportional to 19,129.59, 26,398.98 and 10,631.88 is: 14,672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,129.59 : 26,398.98 = 10,631.88 : x
  2. Step 2: Convert to fraction form
    19,129.59/26,398.98 = 10,631.88/x
  3. Step 3: Cross multiply
    19,129.59x = 26,398.98 × 10,631.88
  4. Step 4: Simplify right side
    19,129.59x = 280,670,787.48
  5. Step 5: Solve for x
    x = 280,670,787.48/19,129.59
  6. Step 6: Final answer
    x = 14,672.08

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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.