Home / 21,646.74-32,445.53-9,158.97

Finding the Fourth Proportional to 21,646.74, 32,445.53 and 9,158.97

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Solution

The fourth proportional to 21,646.74, 32,445.53 and 9,158.97 is: 13,728.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,646.74 : 32,445.53 = 9,158.97 : x
  2. Step 2: Convert to fraction form
    21,646.74/32,445.53 = 9,158.97/x
  3. Step 3: Cross multiply
    21,646.74x = 32,445.53 × 9,158.97
  4. Step 4: Simplify right side
    21,646.74x = 297,167,590.11
  5. Step 5: Solve for x
    x = 297,167,590.11/21,646.74
  6. Step 6: Final answer
    x = 13,728.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.