Home / 16,427.43-22,669.47-9,257.70

Finding the Fourth Proportional to 16,427.43, 22,669.47 and 9,257.70

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Solution

The fourth proportional to 16,427.43, 22,669.47 and 9,257.70 is: 12,775.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,427.43 : 22,669.47 = 9,257.70 : x
  2. Step 2: Convert to fraction form
    16,427.43/22,669.47 = 9,257.70/x
  3. Step 3: Cross multiply
    16,427.43x = 22,669.47 × 9,257.70
  4. Step 4: Simplify right side
    16,427.43x = 209,867,152.42
  5. Step 5: Solve for x
    x = 209,867,152.42/16,427.43
  6. Step 6: Final answer
    x = 12,775.41

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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.