Home / 21,306.24-29,367.36-14,230.08

Finding the Fourth Proportional to 21,306.24, 29,367.36 and 14,230.08

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Solution

The fourth proportional to 21,306.24, 29,367.36 and 14,230.08 is: 19,613.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,306.24 : 29,367.36 = 14,230.08 : x
  2. Step 2: Convert to fraction form
    21,306.24/29,367.36 = 14,230.08/x
  3. Step 3: Cross multiply
    21,306.24x = 29,367.36 × 14,230.08
  4. Step 4: Simplify right side
    21,306.24x = 417,899,882.19
  5. Step 5: Solve for x
    x = 417,899,882.19/21,306.24
  6. Step 6: Final answer
    x = 19,613.97

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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.