Home / 21,459.60-32,196.15-10,366.65

Finding the Fourth Proportional to 21,459.60, 32,196.15 and 10,366.65

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Solution

The fourth proportional to 21,459.60, 32,196.15 and 10,366.65 is: 15,553.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,459.60 : 32,196.15 = 10,366.65 : x
  2. Step 2: Convert to fraction form
    21,459.60/32,196.15 = 10,366.65/x
  3. Step 3: Cross multiply
    21,459.60x = 32,196.15 × 10,366.65
  4. Step 4: Simplify right side
    21,459.60x = 333,766,218.40
  5. Step 5: Solve for x
    x = 333,766,218.40/21,459.60
  6. Step 6: Final answer
    x = 15,553.24

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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.