Home / 10,157.88-15,235.44-4,315.92

Finding the Fourth Proportional to 10,157.88, 15,235.44 and 4,315.92

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Solution

The fourth proportional to 10,157.88, 15,235.44 and 4,315.92 is: 6,473.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,157.88 : 15,235.44 = 4,315.92 : x
  2. Step 2: Convert to fraction form
    10,157.88/15,235.44 = 4,315.92/x
  3. Step 3: Cross multiply
    10,157.88x = 15,235.44 × 4,315.92
  4. Step 4: Simplify right side
    10,157.88x = 65,754,940.20
  5. Step 5: Solve for x
    x = 65,754,940.20/10,157.88
  6. Step 6: Final answer
    x = 6,473.29

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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.