Home / 12,203.90-16,841.28-6,898.70

Finding the Fourth Proportional to 12,203.90, 16,841.28 and 6,898.70

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Solution

The fourth proportional to 12,203.90, 16,841.28 and 6,898.70 is: 9,520.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,203.90 : 16,841.28 = 6,898.70 : x
  2. Step 2: Convert to fraction form
    12,203.90/16,841.28 = 6,898.70/x
  3. Step 3: Cross multiply
    12,203.90x = 16,841.28 × 6,898.70
  4. Step 4: Simplify right side
    12,203.90x = 116,182,854.13
  5. Step 5: Solve for x
    x = 116,182,854.13/12,203.90
  6. Step 6: Final answer
    x = 9,520.15

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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.