Home / 22,352.81-33,543.02-12,997.20

Finding the Fourth Proportional to 22,352.81, 33,543.02 and 12,997.20

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Solution

The fourth proportional to 22,352.81, 33,543.02 and 12,997.20 is: 19,503.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,352.81 : 33,543.02 = 12,997.20 : x
  2. Step 2: Convert to fraction form
    22,352.81/33,543.02 = 12,997.20/x
  3. Step 3: Cross multiply
    22,352.81x = 33,543.02 × 12,997.20
  4. Step 4: Simplify right side
    22,352.81x = 435,965,372.04
  5. Step 5: Solve for x
    x = 435,965,372.04/22,352.81
  6. Step 6: Final answer
    x = 19,503.83

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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.