Home / 10,660.47-14,717.48-7,081.57

Finding the Fourth Proportional to 10,660.47, 14,717.48 and 7,081.57

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Solution

The fourth proportional to 10,660.47, 14,717.48 and 7,081.57 is: 9,776.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.47 : 14,717.48 = 7,081.57 : x
  2. Step 2: Convert to fraction form
    10,660.47/14,717.48 = 7,081.57/x
  3. Step 3: Cross multiply
    10,660.47x = 14,717.48 × 7,081.57
  4. Step 4: Simplify right side
    10,660.47x = 104,222,765.05
  5. Step 5: Solve for x
    x = 104,222,765.05/10,660.47
  6. Step 6: Final answer
    x = 9,776.56

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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.