Home / 21,580.91-32,346.66-9,082.21

Finding the Fourth Proportional to 21,580.91, 32,346.66 and 9,082.21

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Solution

The fourth proportional to 21,580.91, 32,346.66 and 9,082.21 is: 13,612.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,580.91 : 32,346.66 = 9,082.21 : x
  2. Step 2: Convert to fraction form
    21,580.91/32,346.66 = 9,082.21/x
  3. Step 3: Cross multiply
    21,580.91x = 32,346.66 × 9,082.21
  4. Step 4: Simplify right side
    21,580.91x = 293,779,158.92
  5. Step 5: Solve for x
    x = 293,779,158.92/21,580.91
  6. Step 6: Final answer
    x = 13,612.92

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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.