Home / 21,589.61-32,384.41-12,349.13

Finding the Fourth Proportional to 21,589.61, 32,384.41 and 12,349.13

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Solution

The fourth proportional to 21,589.61, 32,384.41 and 12,349.13 is: 18,523.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,589.61 : 32,384.41 = 12,349.13 : x
  2. Step 2: Convert to fraction form
    21,589.61/32,384.41 = 12,349.13/x
  3. Step 3: Cross multiply
    21,589.61x = 32,384.41 × 12,349.13
  4. Step 4: Simplify right side
    21,589.61x = 399,919,096.27
  5. Step 5: Solve for x
    x = 399,919,096.27/21,589.61
  6. Step 6: Final answer
    x = 18,523.69

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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.