Home / 10,498.32-15,708.60-7,727.04

Finding the Fourth Proportional to 10,498.32, 15,708.60 and 7,727.04

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Solution

The fourth proportional to 10,498.32, 15,708.60 and 7,727.04 is: 11,561.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,498.32 : 15,708.60 = 7,727.04 : x
  2. Step 2: Convert to fraction form
    10,498.32/15,708.60 = 7,727.04/x
  3. Step 3: Cross multiply
    10,498.32x = 15,708.60 × 7,727.04
  4. Step 4: Simplify right side
    10,498.32x = 121,380,980.54
  5. Step 5: Solve for x
    x = 121,380,980.54/10,498.32
  6. Step 6: Final answer
    x = 11,561.94

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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.