Home / 21,904.59-32,861.76-6,321

Finding the Fourth Proportional to 21,904.59, 32,861.76 and 6,321

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Solution

The fourth proportional to 21,904.59, 32,861.76 and 6,321 is: 9,482.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,904.59 : 32,861.76 = 6,321 : x
  2. Step 2: Convert to fraction form
    21,904.59/32,861.76 = 6,321/x
  3. Step 3: Cross multiply
    21,904.59x = 32,861.76 × 6,321
  4. Step 4: Simplify right side
    21,904.59x = 207,719,184.96
  5. Step 5: Solve for x
    x = 207,719,184.96/21,904.59
  6. Step 6: Final answer
    x = 9,482.91

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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.