Home / 15,468.13-21,354.90-10,758.79

Finding the Fourth Proportional to 15,468.13, 21,354.90 and 10,758.79

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Solution

The fourth proportional to 15,468.13, 21,354.90 and 10,758.79 is: 14,853.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,468.13 : 21,354.90 = 10,758.79 : x
  2. Step 2: Convert to fraction form
    15,468.13/21,354.90 = 10,758.79/x
  3. Step 3: Cross multiply
    15,468.13x = 21,354.90 × 10,758.79
  4. Step 4: Simplify right side
    15,468.13x = 229,752,884.57
  5. Step 5: Solve for x
    x = 229,752,884.57/15,468.13
  6. Step 6: Final answer
    x = 14,853.31

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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.