Home / 21,547.38-32,314.76-8,396.61

Finding the Fourth Proportional to 21,547.38, 32,314.76 and 8,396.61

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Solution

The fourth proportional to 21,547.38, 32,314.76 and 8,396.61 is: 12,592.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,547.38 : 32,314.76 = 8,396.61 : x
  2. Step 2: Convert to fraction form
    21,547.38/32,314.76 = 8,396.61/x
  3. Step 3: Cross multiply
    21,547.38x = 32,314.76 × 8,396.61
  4. Step 4: Simplify right side
    21,547.38x = 271,334,394.98
  5. Step 5: Solve for x
    x = 271,334,394.98/21,547.38
  6. Step 6: Final answer
    x = 12,592.45

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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.