Home / 12,077.28-18,081.05-7,064.46

Finding the Fourth Proportional to 12,077.28, 18,081.05 and 7,064.46

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Solution

The fourth proportional to 12,077.28, 18,081.05 and 7,064.46 is: 10,576.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,077.28 : 18,081.05 = 7,064.46 : x
  2. Step 2: Convert to fraction form
    12,077.28/18,081.05 = 7,064.46/x
  3. Step 3: Cross multiply
    12,077.28x = 18,081.05 × 7,064.46
  4. Step 4: Simplify right side
    12,077.28x = 127,732,819.16
  5. Step 5: Solve for x
    x = 127,732,819.16/12,077.28
  6. Step 6: Final answer
    x = 10,576.29

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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.