Home / 21,589.73-32,384.60-12,349.25

Finding the Fourth Proportional to 21,589.73, 32,384.60 and 12,349.25

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Solution

The fourth proportional to 21,589.73, 32,384.60 and 12,349.25 is: 18,523.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589.73 : 32,384.60 = 12,349.25 : x
  2. Step 2: Convert to fraction form
    21,589.73/32,384.60 = 12,349.25/x
  3. Step 3: Cross multiply
    21,589.73x = 32,384.60 × 12,349.25
  4. Step 4: Simplify right side
    21,589.73x = 399,925,459.80
  5. Step 5: Solve for x
    x = 399,925,459.80/21,589.73
  6. Step 6: Final answer
    x = 18,523.88

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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.