Home / 15,478.88-23,215.36-4,382.90

Finding the Fourth Proportional to 15,478.88, 23,215.36 and 4,382.90

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Solution

The fourth proportional to 15,478.88, 23,215.36 and 4,382.90 is: 6,573.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,478.88 : 23,215.36 = 4,382.90 : x
  2. Step 2: Convert to fraction form
    15,478.88/23,215.36 = 4,382.90/x
  3. Step 3: Cross multiply
    15,478.88x = 23,215.36 × 4,382.90
  4. Step 4: Simplify right side
    15,478.88x = 101,750,601.34
  5. Step 5: Solve for x
    x = 101,750,601.34/15,478.88
  6. Step 6: Final answer
    x = 6,573.51

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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.