Home / 8,707.16-12,016.33-5,122.30

Finding the Fourth Proportional to 8,707.16, 12,016.33 and 5,122.30

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Solution

The fourth proportional to 8,707.16, 12,016.33 and 5,122.30 is: 7,069.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,707.16 : 12,016.33 = 5,122.30 : x
  2. Step 2: Convert to fraction form
    8,707.16/12,016.33 = 5,122.30/x
  3. Step 3: Cross multiply
    8,707.16x = 12,016.33 × 5,122.30
  4. Step 4: Simplify right side
    8,707.16x = 61,551,247.16
  5. Step 5: Solve for x
    x = 61,551,247.16/8,707.16
  6. Step 6: Final answer
    x = 7,069.04

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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.