Home / 10,046.03-15,068.85-3,120.51

Finding the Fourth Proportional to 10,046.03, 15,068.85 and 3,120.51

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Solution

The fourth proportional to 10,046.03, 15,068.85 and 3,120.51 is: 4,680.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,046.03 : 15,068.85 = 3,120.51 : x
  2. Step 2: Convert to fraction form
    10,046.03/15,068.85 = 3,120.51/x
  3. Step 3: Cross multiply
    10,046.03x = 15,068.85 × 3,120.51
  4. Step 4: Simplify right side
    10,046.03x = 47,022,481.51
  5. Step 5: Solve for x
    x = 47,022,481.51/10,046.03
  6. Step 6: Final answer
    x = 4,680.70

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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.