Home / 16,420.59-22,658.78-9,250.30

Finding the Fourth Proportional to 16,420.59, 22,658.78 and 9,250.30

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Solution

The fourth proportional to 16,420.59, 22,658.78 and 9,250.30 is: 12,764.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,420.59 : 22,658.78 = 9,250.30 : x
  2. Step 2: Convert to fraction form
    16,420.59/22,658.78 = 9,250.30/x
  3. Step 3: Cross multiply
    16,420.59x = 22,658.78 × 9,250.30
  4. Step 4: Simplify right side
    16,420.59x = 209,600,512.63
  5. Step 5: Solve for x
    x = 209,600,512.63/16,420.59
  6. Step 6: Final answer
    x = 12,764.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.