Home / 10,660.20-14,710.89-5,880.60

Finding the Fourth Proportional to 10,660.20, 14,710.89 and 5,880.60

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Solution

The fourth proportional to 10,660.20, 14,710.89 and 5,880.60 is: 8,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.20 : 14,710.89 = 5,880.60 : x
  2. Step 2: Convert to fraction form
    10,660.20/14,710.89 = 5,880.60/x
  3. Step 3: Cross multiply
    10,660.20x = 14,710.89 × 5,880.60
  4. Step 4: Simplify right side
    10,660.20x = 86,508,859.73
  5. Step 5: Solve for x
    x = 86,508,859.73/10,660.20
  6. Step 6: Final answer
    x = 8,115.13

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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.