Home / 10,079.57-15,112.13-4,739.76

Finding the Fourth Proportional to 10,079.57, 15,112.13 and 4,739.76

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Solution

The fourth proportional to 10,079.57, 15,112.13 and 4,739.76 is: 7,106.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,079.57 : 15,112.13 = 4,739.76 : x
  2. Step 2: Convert to fraction form
    10,079.57/15,112.13 = 4,739.76/x
  3. Step 3: Cross multiply
    10,079.57x = 15,112.13 × 4,739.76
  4. Step 4: Simplify right side
    10,079.57x = 71,627,869.29
  5. Step 5: Solve for x
    x = 71,627,869.29/10,079.57
  6. Step 6: Final answer
    x = 7,106.24

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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.