Home / 21,614.60-32,419.20-7,572.08

Finding the Fourth Proportional to 21,614.60, 32,419.20 and 7,572.08

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Solution

The fourth proportional to 21,614.60, 32,419.20 and 7,572.08 is: 11,357.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,614.60 : 32,419.20 = 7,572.08 : x
  2. Step 2: Convert to fraction form
    21,614.60/32,419.20 = 7,572.08/x
  3. Step 3: Cross multiply
    21,614.60x = 32,419.20 × 7,572.08
  4. Step 4: Simplify right side
    21,614.60x = 245,480,775.94
  5. Step 5: Solve for x
    x = 245,480,775.94/21,614.60
  6. Step 6: Final answer
    x = 11,357.17

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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.