Home / 15,672.87-23,508.95-3,986.10

Finding the Fourth Proportional to 15,672.87, 23,508.95 and 3,986.10

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Solution

The fourth proportional to 15,672.87, 23,508.95 and 3,986.10 is: 5,979.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,672.87 : 23,508.95 = 3,986.10 : x
  2. Step 2: Convert to fraction form
    15,672.87/23,508.95 = 3,986.10/x
  3. Step 3: Cross multiply
    15,672.87x = 23,508.95 × 3,986.10
  4. Step 4: Simplify right side
    15,672.87x = 93,709,005.66
  5. Step 5: Solve for x
    x = 93,709,005.66/15,672.87
  6. Step 6: Final answer
    x = 5,979.06

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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.