Home / 21,358.17-29,473.34-11,926.53

Finding the Fourth Proportional to 21,358.17, 29,473.34 and 11,926.53

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Solution

The fourth proportional to 21,358.17, 29,473.34 and 11,926.53 is: 16,458.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,358.17 : 29,473.34 = 11,926.53 : x
  2. Step 2: Convert to fraction form
    21,358.17/29,473.34 = 11,926.53/x
  3. Step 3: Cross multiply
    21,358.17x = 29,473.34 × 11,926.53
  4. Step 4: Simplify right side
    21,358.17x = 351,514,614.08
  5. Step 5: Solve for x
    x = 351,514,614.08/21,358.17
  6. Step 6: Final answer
    x = 16,458.09

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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.