Home / 10,587.24-15,877.61-7,321.32

Finding the Fourth Proportional to 10,587.24, 15,877.61 and 7,321.32

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Solution

The fourth proportional to 10,587.24, 15,877.61 and 7,321.32 is: 10,979.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,587.24 : 15,877.61 = 7,321.32 : x
  2. Step 2: Convert to fraction form
    10,587.24/15,877.61 = 7,321.32/x
  3. Step 3: Cross multiply
    10,587.24x = 15,877.61 × 7,321.32
  4. Step 4: Simplify right side
    10,587.24x = 116,245,121.64
  5. Step 5: Solve for x
    x = 116,245,121.64/10,587.24
  6. Step 6: Final answer
    x = 10,979.74

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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.