Home / 11,476.28-15,837.55-6,440.89

Finding the Fourth Proportional to 11,476.28, 15,837.55 and 6,440.89

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Solution

The fourth proportional to 11,476.28, 15,837.55 and 6,440.89 is: 8,888.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,476.28 : 15,837.55 = 6,440.89 : x
  2. Step 2: Convert to fraction form
    11,476.28/15,837.55 = 6,440.89/x
  3. Step 3: Cross multiply
    11,476.28x = 15,837.55 × 6,440.89
  4. Step 4: Simplify right side
    11,476.28x = 102,007,874.23
  5. Step 5: Solve for x
    x = 102,007,874.23/11,476.28
  6. Step 6: Final answer
    x = 8,888.58

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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.