Home / 10,084.44-13,908.78-8,951.28

Finding the Fourth Proportional to 10,084.44, 13,908.78 and 8,951.28

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Solution

The fourth proportional to 10,084.44, 13,908.78 and 8,951.28 is: 12,345.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,084.44 : 13,908.78 = 8,951.28 : x
  2. Step 2: Convert to fraction form
    10,084.44/13,908.78 = 8,951.28/x
  3. Step 3: Cross multiply
    10,084.44x = 13,908.78 × 8,951.28
  4. Step 4: Simplify right side
    10,084.44x = 124,501,384.24
  5. Step 5: Solve for x
    x = 124,501,384.24/10,084.44
  6. Step 6: Final answer
    x = 12,345.89

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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.