Home / 22,921.60-34,382.40-9,775.30

Finding the Fourth Proportional to 22,921.60, 34,382.40 and 9,775.30

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Solution

The fourth proportional to 22,921.60, 34,382.40 and 9,775.30 is: 14,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,921.60 : 34,382.40 = 9,775.30 : x
  2. Step 2: Convert to fraction form
    22,921.60/34,382.40 = 9,775.30/x
  3. Step 3: Cross multiply
    22,921.60x = 34,382.40 × 9,775.30
  4. Step 4: Simplify right side
    22,921.60x = 336,098,274.72
  5. Step 5: Solve for x
    x = 336,098,274.72/22,921.60
  6. Step 6: Final answer
    x = 14,662.95

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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.