Home / 10,095.20-15,137.40-4,245.20

Finding the Fourth Proportional to 10,095.20, 15,137.40 and 4,245.20

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Solution

The fourth proportional to 10,095.20, 15,137.40 and 4,245.20 is: 6,365.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.20 : 15,137.40 = 4,245.20 : x
  2. Step 2: Convert to fraction form
    10,095.20/15,137.40 = 4,245.20/x
  3. Step 3: Cross multiply
    10,095.20x = 15,137.40 × 4,245.20
  4. Step 4: Simplify right side
    10,095.20x = 64,261,290.48
  5. Step 5: Solve for x
    x = 64,261,290.48/10,095.20
  6. Step 6: Final answer
    x = 6,365.53

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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.