Home / 10,158.87-15,244.80-4,315.48

Finding the Fourth Proportional to 10,158.87, 15,244.80 and 4,315.48

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Solution

The fourth proportional to 10,158.87, 15,244.80 and 4,315.48 is: 6,475.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,158.87 : 15,244.80 = 4,315.48 : x
  2. Step 2: Convert to fraction form
    10,158.87/15,244.80 = 4,315.48/x
  3. Step 3: Cross multiply
    10,158.87x = 15,244.80 × 4,315.48
  4. Step 4: Simplify right side
    10,158.87x = 65,788,591.39
  5. Step 5: Solve for x
    x = 65,788,591.39/10,158.87
  6. Step 6: Final answer
    x = 6,475.98

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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.