Home / 15,979.28-23,973.08-7,665.71

Finding the Fourth Proportional to 15,979.28, 23,973.08 and 7,665.71

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Solution

The fourth proportional to 15,979.28, 23,973.08 and 7,665.71 is: 11,500.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.28 : 23,973.08 = 7,665.71 : x
  2. Step 2: Convert to fraction form
    15,979.28/23,973.08 = 7,665.71/x
  3. Step 3: Cross multiply
    15,979.28x = 23,973.08 × 7,665.71
  4. Step 4: Simplify right side
    15,979.28x = 183,770,520.89
  5. Step 5: Solve for x
    x = 183,770,520.89/15,979.28
  6. Step 6: Final answer
    x = 11,500.55

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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.