Home / 9,184.08-12,707.28-8,007.60

Finding the Fourth Proportional to 9,184.08, 12,707.28 and 8,007.60

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Solution

The fourth proportional to 9,184.08, 12,707.28 and 8,007.60 is: 11,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,184.08 : 12,707.28 = 8,007.60 : x
  2. Step 2: Convert to fraction form
    9,184.08/12,707.28 = 8,007.60/x
  3. Step 3: Cross multiply
    9,184.08x = 12,707.28 × 8,007.60
  4. Step 4: Simplify right side
    9,184.08x = 101,754,815.33
  5. Step 5: Solve for x
    x = 101,754,815.33/9,184.08
  6. Step 6: Final answer
    x = 11,079.48

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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.