Home / 11,487.42-15,852.11-6,707.61

Finding the Fourth Proportional to 11,487.42, 15,852.11 and 6,707.61

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Solution

The fourth proportional to 11,487.42, 15,852.11 and 6,707.61 is: 9,256.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.42 : 15,852.11 = 6,707.61 : x
  2. Step 2: Convert to fraction form
    11,487.42/15,852.11 = 6,707.61/x
  3. Step 3: Cross multiply
    11,487.42x = 15,852.11 × 6,707.61
  4. Step 4: Simplify right side
    11,487.42x = 106,329,738.02
  5. Step 5: Solve for x
    x = 106,329,738.02/11,487.42
  6. Step 6: Final answer
    x = 9,256.19

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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.