Home / 9,877.76-14,815.20-2,951.36

Finding the Fourth Proportional to 9,877.76, 14,815.20 and 2,951.36

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Solution

The fourth proportional to 9,877.76, 14,815.20 and 2,951.36 is: 4,426.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,877.76 : 14,815.20 = 2,951.36 : x
  2. Step 2: Convert to fraction form
    9,877.76/14,815.20 = 2,951.36/x
  3. Step 3: Cross multiply
    9,877.76x = 14,815.20 × 2,951.36
  4. Step 4: Simplify right side
    9,877.76x = 43,724,988.67
  5. Step 5: Solve for x
    x = 43,724,988.67/9,877.76
  6. Step 6: Final answer
    x = 4,426.61

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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.