Home / 8,968.17-13,447.80-5,678.76

Finding the Fourth Proportional to 8,968.17, 13,447.80 and 5,678.76

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Solution

The fourth proportional to 8,968.17, 13,447.80 and 5,678.76 is: 8,515.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,968.17 : 13,447.80 = 5,678.76 : x
  2. Step 2: Convert to fraction form
    8,968.17/13,447.80 = 5,678.76/x
  3. Step 3: Cross multiply
    8,968.17x = 13,447.80 × 5,678.76
  4. Step 4: Simplify right side
    8,968.17x = 76,366,828.73
  5. Step 5: Solve for x
    x = 76,366,828.73/8,968.17
  6. Step 6: Final answer
    x = 8,515.32

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.