Home / 21,614.66-32,360.87-11,459.91

Finding the Fourth Proportional to 21,614.66, 32,360.87 and 11,459.91

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Solution

The fourth proportional to 21,614.66, 32,360.87 and 11,459.91 is: 17,157.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,614.66 : 32,360.87 = 11,459.91 : x
  2. Step 2: Convert to fraction form
    21,614.66/32,360.87 = 11,459.91/x
  3. Step 3: Cross multiply
    21,614.66x = 32,360.87 × 11,459.91
  4. Step 4: Simplify right side
    21,614.66x = 370,852,600.42
  5. Step 5: Solve for x
    x = 370,852,600.42/21,614.66
  6. Step 6: Final answer
    x = 17,157.46

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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.