Home / 10,095.48-15,138.90-3,519.72

Finding the Fourth Proportional to 10,095.48, 15,138.90 and 3,519.72

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Solution

The fourth proportional to 10,095.48, 15,138.90 and 3,519.72 is: 5,278.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,095.48 : 15,138.90 = 3,519.72 : x
  2. Step 2: Convert to fraction form
    10,095.48/15,138.90 = 3,519.72/x
  3. Step 3: Cross multiply
    10,095.48x = 15,138.90 × 3,519.72
  4. Step 4: Simplify right side
    10,095.48x = 53,284,689.11
  5. Step 5: Solve for x
    x = 53,284,689.11/10,095.48
  6. Step 6: Final answer
    x = 5,278.07

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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.