Home / 15,329.01-21,154.41-8,614.23

Finding the Fourth Proportional to 15,329.01, 21,154.41 and 8,614.23

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Solution

The fourth proportional to 15,329.01, 21,154.41 and 8,614.23 is: 11,887.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,329.01 : 21,154.41 = 8,614.23 : x
  2. Step 2: Convert to fraction form
    15,329.01/21,154.41 = 8,614.23/x
  3. Step 3: Cross multiply
    15,329.01x = 21,154.41 × 8,614.23
  4. Step 4: Simplify right side
    15,329.01x = 182,229,032.58
  5. Step 5: Solve for x
    x = 182,229,032.58/15,329.01
  6. Step 6: Final answer
    x = 11,887.85

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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.