Home / 21,308.08-29,382.04-14,506.52

Finding the Fourth Proportional to 21,308.08, 29,382.04 and 14,506.52

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Solution

The fourth proportional to 21,308.08, 29,382.04 and 14,506.52 is: 20,003.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,308.08 : 29,382.04 = 14,506.52 : x
  2. Step 2: Convert to fraction form
    21,308.08/29,382.04 = 14,506.52/x
  3. Step 3: Cross multiply
    21,308.08x = 29,382.04 × 14,506.52
  4. Step 4: Simplify right side
    21,308.08x = 426,231,150.90
  5. Step 5: Solve for x
    x = 426,231,150.90/21,308.08
  6. Step 6: Final answer
    x = 20,003.26

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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.