Home / 12,254.22-16,911.18-6,948.86

Finding the Fourth Proportional to 12,254.22, 16,911.18 and 6,948.86

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Solution

The fourth proportional to 12,254.22, 16,911.18 and 6,948.86 is: 9,589.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,254.22 : 16,911.18 = 6,948.86 : x
  2. Step 2: Convert to fraction form
    12,254.22/16,911.18 = 6,948.86/x
  3. Step 3: Cross multiply
    12,254.22x = 16,911.18 × 6,948.86
  4. Step 4: Simplify right side
    12,254.22x = 117,513,337.70
  5. Step 5: Solve for x
    x = 117,513,337.70/12,254.22
  6. Step 6: Final answer
    x = 9,589.62

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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.