Home / 16,454.04-22,703.40-9,380.28

Finding the Fourth Proportional to 16,454.04, 22,703.40 and 9,380.28

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Solution

The fourth proportional to 16,454.04, 22,703.40 and 9,380.28 is: 12,942.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,454.04 : 22,703.40 = 9,380.28 : x
  2. Step 2: Convert to fraction form
    16,454.04/22,703.40 = 9,380.28/x
  3. Step 3: Cross multiply
    16,454.04x = 22,703.40 × 9,380.28
  4. Step 4: Simplify right side
    16,454.04x = 212,964,248.95
  5. Step 5: Solve for x
    x = 212,964,248.95/16,454.04
  6. Step 6: Final answer
    x = 12,942.98

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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.