Home / 9,233.42-13,900.04-8,429.90

Finding the Fourth Proportional to 9,233.42, 13,900.04 and 8,429.90

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Solution

The fourth proportional to 9,233.42, 13,900.04 and 8,429.90 is: 12,690.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,233.42 : 13,900.04 = 8,429.90 : x
  2. Step 2: Convert to fraction form
    9,233.42/13,900.04 = 8,429.90/x
  3. Step 3: Cross multiply
    9,233.42x = 13,900.04 × 8,429.90
  4. Step 4: Simplify right side
    9,233.42x = 117,175,947.20
  5. Step 5: Solve for x
    x = 117,175,947.20/9,233.42
  6. Step 6: Final answer
    x = 12,690.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.