Home / 16,920.74-23,350.65-9,263.90

Finding the Fourth Proportional to 16,920.74, 23,350.65 and 9,263.90

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Solution

The fourth proportional to 16,920.74, 23,350.65 and 9,263.90 is: 12,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,920.74 : 23,350.65 = 9,263.90 : x
  2. Step 2: Convert to fraction form
    16,920.74/23,350.65 = 9,263.90/x
  3. Step 3: Cross multiply
    16,920.74x = 23,350.65 × 9,263.90
  4. Step 4: Simplify right side
    16,920.74x = 216,318,086.54
  5. Step 5: Solve for x
    x = 216,318,086.54/16,920.74
  6. Step 6: Final answer
    x = 12,784.20

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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.