Home / 15,979.98-23,967.17-4,290.47

Finding the Fourth Proportional to 15,979.98, 23,967.17 and 4,290.47

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Solution

The fourth proportional to 15,979.98, 23,967.17 and 4,290.47 is: 6,434.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.98 : 23,967.17 = 4,290.47 : x
  2. Step 2: Convert to fraction form
    15,979.98/23,967.17 = 4,290.47/x
  3. Step 3: Cross multiply
    15,979.98x = 23,967.17 × 4,290.47
  4. Step 4: Simplify right side
    15,979.98x = 102,830,376.48
  5. Step 5: Solve for x
    x = 102,830,376.48/15,979.98
  6. Step 6: Final answer
    x = 6,434.95

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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.