Home / 21,373.88-32,064.51-9,531.86

Finding the Fourth Proportional to 21,373.88, 32,064.51 and 9,531.86

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Solution

The fourth proportional to 21,373.88, 32,064.51 and 9,531.86 is: 14,299.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,373.88 : 32,064.51 = 9,531.86 : x
  2. Step 2: Convert to fraction form
    21,373.88/32,064.51 = 9,531.86/x
  3. Step 3: Cross multiply
    21,373.88x = 32,064.51 × 9,531.86
  4. Step 4: Simplify right side
    21,373.88x = 305,634,420.29
  5. Step 5: Solve for x
    x = 305,634,420.29/21,373.88
  6. Step 6: Final answer
    x = 14,299.44

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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.