Home / 23,394.32-32,284.18-12,639.20

Finding the Fourth Proportional to 23,394.32, 32,284.18 and 12,639.20

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Solution

The fourth proportional to 23,394.32, 32,284.18 and 12,639.20 is: 17,442.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,394.32 : 32,284.18 = 12,639.20 : x
  2. Step 2: Convert to fraction form
    23,394.32/32,284.18 = 12,639.20/x
  3. Step 3: Cross multiply
    23,394.32x = 32,284.18 × 12,639.20
  4. Step 4: Simplify right side
    23,394.32x = 408,046,207.86
  5. Step 5: Solve for x
    x = 408,046,207.86/23,394.32
  6. Step 6: Final answer
    x = 17,442.11

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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.