Home / 15,990.16-23,979.48-6,756.88

Finding the Fourth Proportional to 15,990.16, 23,979.48 and 6,756.88

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Solution

The fourth proportional to 15,990.16, 23,979.48 and 6,756.88 is: 10,132.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,990.16 : 23,979.48 = 6,756.88 : x
  2. Step 2: Convert to fraction form
    15,990.16/23,979.48 = 6,756.88/x
  3. Step 3: Cross multiply
    15,990.16x = 23,979.48 × 6,756.88
  4. Step 4: Simplify right side
    15,990.16x = 162,026,468.82
  5. Step 5: Solve for x
    x = 162,026,468.82/15,990.16
  6. Step 6: Final answer
    x = 10,132.89

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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.