Home / 21,459.38-32,191.16-6,664.32

Finding the Fourth Proportional to 21,459.38, 32,191.16 and 6,664.32

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Solution

The fourth proportional to 21,459.38, 32,191.16 and 6,664.32 is: 9,997.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459.38 : 32,191.16 = 6,664.32 : x
  2. Step 2: Convert to fraction form
    21,459.38/32,191.16 = 6,664.32/x
  3. Step 3: Cross multiply
    21,459.38x = 32,191.16 × 6,664.32
  4. Step 4: Simplify right side
    21,459.38x = 214,532,191.41
  5. Step 5: Solve for x
    x = 214,532,191.41/21,459.38
  6. Step 6: Final answer
    x = 9,997.13

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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.