Home / 15,979.92-23,970.12-4,294.80

Finding the Fourth Proportional to 15,979.92, 23,970.12 and 4,294.80

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Solution

The fourth proportional to 15,979.92, 23,970.12 and 4,294.80 is: 6,442.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.92 : 23,970.12 = 4,294.80 : x
  2. Step 2: Convert to fraction form
    15,979.92/23,970.12 = 4,294.80/x
  3. Step 3: Cross multiply
    15,979.92x = 23,970.12 × 4,294.80
  4. Step 4: Simplify right side
    15,979.92x = 102,946,871.38
  5. Step 5: Solve for x
    x = 102,946,871.38/15,979.92
  6. Step 6: Final answer
    x = 6,442.26

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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.