Home / 10,976.12-15,147.27-6,498.23

Finding the Fourth Proportional to 10,976.12, 15,147.27 and 6,498.23

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Solution

The fourth proportional to 10,976.12, 15,147.27 and 6,498.23 is: 8,967.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,976.12 : 15,147.27 = 6,498.23 : x
  2. Step 2: Convert to fraction form
    10,976.12/15,147.27 = 6,498.23/x
  3. Step 3: Cross multiply
    10,976.12x = 15,147.27 × 6,498.23
  4. Step 4: Simplify right side
    10,976.12x = 98,430,482.20
  5. Step 5: Solve for x
    x = 98,430,482.20/10,976.12
  6. Step 6: Final answer
    x = 8,967.70

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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.