Home / 9,876.80-14,815.52-4,327.36

Finding the Fourth Proportional to 9,876.80, 14,815.52 and 4,327.36

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Solution

The fourth proportional to 9,876.80, 14,815.52 and 4,327.36 is: 6,491.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,876.80 : 14,815.52 = 4,327.36 : x
  2. Step 2: Convert to fraction form
    9,876.80/14,815.52 = 4,327.36/x
  3. Step 3: Cross multiply
    9,876.80x = 14,815.52 × 4,327.36
  4. Step 4: Simplify right side
    9,876.80x = 64,112,088.63
  5. Step 5: Solve for x
    x = 64,112,088.63/9,876.80
  6. Step 6: Final answer
    x = 6,491.18

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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.