Home / 10,470.78-14,443.62-6,276.60

Finding the Fourth Proportional to 10,470.78, 14,443.62 and 6,276.60

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Solution

The fourth proportional to 10,470.78, 14,443.62 and 6,276.60 is: 8,658.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,470.78 : 14,443.62 = 6,276.60 : x
  2. Step 2: Convert to fraction form
    10,470.78/14,443.62 = 6,276.60/x
  3. Step 3: Cross multiply
    10,470.78x = 14,443.62 × 6,276.60
  4. Step 4: Simplify right side
    10,470.78x = 90,656,825.29
  5. Step 5: Solve for x
    x = 90,656,825.29/10,470.78
  6. Step 6: Final answer
    x = 8,658.08

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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.