Home / 11,476.17-15,836.96-6,440.87

Finding the Fourth Proportional to 11,476.17, 15,836.96 and 6,440.87

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Solution

The fourth proportional to 11,476.17, 15,836.96 and 6,440.87 is: 8,888.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,476.17 : 15,836.96 = 6,440.87 : x
  2. Step 2: Convert to fraction form
    11,476.17/15,836.96 = 6,440.87/x
  3. Step 3: Cross multiply
    11,476.17x = 15,836.96 × 6,440.87
  4. Step 4: Simplify right side
    11,476.17x = 102,003,689.17
  5. Step 5: Solve for x
    x = 102,003,689.17/11,476.17
  6. Step 6: Final answer
    x = 8,888.30

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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.