Home / 9,231.24-12,707.06-6,989.16

Finding the Fourth Proportional to 9,231.24, 12,707.06 and 6,989.16

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Solution

The fourth proportional to 9,231.24, 12,707.06 and 6,989.16 is: 9,620.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,231.24 : 12,707.06 = 6,989.16 : x
  2. Step 2: Convert to fraction form
    9,231.24/12,707.06 = 6,989.16/x
  3. Step 3: Cross multiply
    9,231.24x = 12,707.06 × 6,989.16
  4. Step 4: Simplify right side
    9,231.24x = 88,811,675.47
  5. Step 5: Solve for x
    x = 88,811,675.47/9,231.24
  6. Step 6: Final answer
    x = 9,620.77

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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.