Home / 11,680.14-17,499.15-6,409.47

Finding the Fourth Proportional to 11,680.14, 17,499.15 and 6,409.47

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Solution

The fourth proportional to 11,680.14, 17,499.15 and 6,409.47 is: 9,602.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,680.14 : 17,499.15 = 6,409.47 : x
  2. Step 2: Convert to fraction form
    11,680.14/17,499.15 = 6,409.47/x
  3. Step 3: Cross multiply
    11,680.14x = 17,499.15 × 6,409.47
  4. Step 4: Simplify right side
    11,680.14x = 112,160,276.95
  5. Step 5: Solve for x
    x = 112,160,276.95/11,680.14
  6. Step 6: Final answer
    x = 9,602.65

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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.