Home / 16,956.90-23,401.72-9,403.95

Finding the Fourth Proportional to 16,956.90, 23,401.72 and 9,403.95

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Solution

The fourth proportional to 16,956.90, 23,401.72 and 9,403.95 is: 12,978.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,956.90 : 23,401.72 = 9,403.95 : x
  2. Step 2: Convert to fraction form
    16,956.90/23,401.72 = 9,403.95/x
  3. Step 3: Cross multiply
    16,956.90x = 23,401.72 × 9,403.95
  4. Step 4: Simplify right side
    16,956.90x = 220,068,563.65
  5. Step 5: Solve for x
    x = 220,068,563.65/16,956.90
  6. Step 6: Final answer
    x = 12,978.12

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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.