Home / 12,240.04-16,890.66-6,934.88

Finding the Fourth Proportional to 12,240.04, 16,890.66 and 6,934.88

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Solution

The fourth proportional to 12,240.04, 16,890.66 and 6,934.88 is: 9,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,240.04 : 16,890.66 = 6,934.88 : x
  2. Step 2: Convert to fraction form
    12,240.04/16,890.66 = 6,934.88/x
  3. Step 3: Cross multiply
    12,240.04x = 16,890.66 × 6,934.88
  4. Step 4: Simplify right side
    12,240.04x = 117,134,700.22
  5. Step 5: Solve for x
    x = 117,134,700.22/12,240.04
  6. Step 6: Final answer
    x = 9,569.80

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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.