Home / 9,207.44-12,706.36-5,015.76

Finding the Fourth Proportional to 9,207.44, 12,706.36 and 5,015.76

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Solution

The fourth proportional to 9,207.44, 12,706.36 and 5,015.76 is: 6,921.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,207.44 : 12,706.36 = 5,015.76 : x
  2. Step 2: Convert to fraction form
    9,207.44/12,706.36 = 5,015.76/x
  3. Step 3: Cross multiply
    9,207.44x = 12,706.36 × 5,015.76
  4. Step 4: Simplify right side
    9,207.44x = 63,732,052.23
  5. Step 5: Solve for x
    x = 63,732,052.23/9,207.44
  6. Step 6: Final answer
    x = 6,921.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.