Home / 10,086.20-15,112.52-6,182.40

Finding the Fourth Proportional to 10,086.20, 15,112.52 and 6,182.40

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Solution

The fourth proportional to 10,086.20, 15,112.52 and 6,182.40 is: 9,263.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,086.20 : 15,112.52 = 6,182.40 : x
  2. Step 2: Convert to fraction form
    10,086.20/15,112.52 = 6,182.40/x
  3. Step 3: Cross multiply
    10,086.20x = 15,112.52 × 6,182.40
  4. Step 4: Simplify right side
    10,086.20x = 93,431,643.65
  5. Step 5: Solve for x
    x = 93,431,643.65/10,086.20
  6. Step 6: Final answer
    x = 9,263.31

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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.