Home / 19,013.76-26,197.92-13,691.52

Finding the Fourth Proportional to 19,013.76, 26,197.92 and 13,691.52

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Solution

The fourth proportional to 19,013.76, 26,197.92 and 13,691.52 is: 18,864.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,013.76 : 26,197.92 = 13,691.52 : x
  2. Step 2: Convert to fraction form
    19,013.76/26,197.92 = 13,691.52/x
  3. Step 3: Cross multiply
    19,013.76x = 26,197.92 × 13,691.52
  4. Step 4: Simplify right side
    19,013.76x = 358,689,345.64
  5. Step 5: Solve for x
    x = 358,689,345.64/19,013.76
  6. Step 6: Final answer
    x = 18,864.72

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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.