Home / 19,726.92-27,204.18-13,281.08

Finding the Fourth Proportional to 19,726.92, 27,204.18 and 13,281.08

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Solution

The fourth proportional to 19,726.92, 27,204.18 and 13,281.08 is: 18,315.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,726.92 : 27,204.18 = 13,281.08 : x
  2. Step 2: Convert to fraction form
    19,726.92/27,204.18 = 13,281.08/x
  3. Step 3: Cross multiply
    19,726.92x = 27,204.18 × 13,281.08
  4. Step 4: Simplify right side
    19,726.92x = 361,300,890.91
  5. Step 5: Solve for x
    x = 361,300,890.91/19,726.92
  6. Step 6: Final answer
    x = 18,315.12

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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.