Home / 12,330.90-18,484.20-6,085.80

Finding the Fourth Proportional to 12,330.90, 18,484.20 and 6,085.80

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Solution

The fourth proportional to 12,330.90, 18,484.20 and 6,085.80 is: 9,122.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,330.90 : 18,484.20 = 6,085.80 : x
  2. Step 2: Convert to fraction form
    12,330.90/18,484.20 = 6,085.80/x
  3. Step 3: Cross multiply
    12,330.90x = 18,484.20 × 6,085.80
  4. Step 4: Simplify right side
    12,330.90x = 112,491,144.36
  5. Step 5: Solve for x
    x = 112,491,144.36/12,330.90
  6. Step 6: Final answer
    x = 9,122.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.