Home / 21,543.39-32,315.63-5,961.15

Finding the Fourth Proportional to 21,543.39, 32,315.63 and 5,961.15

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Solution

The fourth proportional to 21,543.39, 32,315.63 and 5,961.15 is: 8,941.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,543.39 : 32,315.63 = 5,961.15 : x
  2. Step 2: Convert to fraction form
    21,543.39/32,315.63 = 5,961.15/x
  3. Step 3: Cross multiply
    21,543.39x = 32,315.63 × 5,961.15
  4. Step 4: Simplify right side
    21,543.39x = 192,638,287.97
  5. Step 5: Solve for x
    x = 192,638,287.97/21,543.39
  6. Step 6: Final answer
    x = 8,941.87

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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.