Home / 12,923.20-17,834.04-7,549.32

Finding the Fourth Proportional to 12,923.20, 17,834.04 and 7,549.32

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Solution

The fourth proportional to 12,923.20, 17,834.04 and 7,549.32 is: 10,418.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,923.20 : 17,834.04 = 7,549.32 : x
  2. Step 2: Convert to fraction form
    12,923.20/17,834.04 = 7,549.32/x
  3. Step 3: Cross multiply
    12,923.20x = 17,834.04 × 7,549.32
  4. Step 4: Simplify right side
    12,923.20x = 134,634,874.85
  5. Step 5: Solve for x
    x = 134,634,874.85/12,923.20
  6. Step 6: Final answer
    x = 10,418.08

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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.