Home / 10,042.48-15,065.40-4,120.72

Finding the Fourth Proportional to 10,042.48, 15,065.40 and 4,120.72

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Solution

The fourth proportional to 10,042.48, 15,065.40 and 4,120.72 is: 6,181.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,042.48 : 15,065.40 = 4,120.72 : x
  2. Step 2: Convert to fraction form
    10,042.48/15,065.40 = 4,120.72/x
  3. Step 3: Cross multiply
    10,042.48x = 15,065.40 × 4,120.72
  4. Step 4: Simplify right side
    10,042.48x = 62,080,295.09
  5. Step 5: Solve for x
    x = 62,080,295.09/10,042.48
  6. Step 6: Final answer
    x = 6,181.77

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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.