Home / 19,126.87-26,387.71-14,103.02

Finding the Fourth Proportional to 19,126.87, 26,387.71 and 14,103.02

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Solution

The fourth proportional to 19,126.87, 26,387.71 and 14,103.02 is: 19,456.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,126.87 : 26,387.71 = 14,103.02 : x
  2. Step 2: Convert to fraction form
    19,126.87/26,387.71 = 14,103.02/x
  3. Step 3: Cross multiply
    19,126.87x = 26,387.71 × 14,103.02
  4. Step 4: Simplify right side
    19,126.87x = 372,146,432.60
  5. Step 5: Solve for x
    x = 372,146,432.60/19,126.87
  6. Step 6: Final answer
    x = 19,456.74

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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.