Home / 10,660.76-14,711.10-5,945.32

Finding the Fourth Proportional to 10,660.76, 14,711.10 and 5,945.32

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Solution

The fourth proportional to 10,660.76, 14,711.10 and 5,945.32 is: 8,204.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,660.76 : 14,711.10 = 5,945.32 : x
  2. Step 2: Convert to fraction form
    10,660.76/14,711.10 = 5,945.32/x
  3. Step 3: Cross multiply
    10,660.76x = 14,711.10 × 5,945.32
  4. Step 4: Simplify right side
    10,660.76x = 87,462,197.05
  5. Step 5: Solve for x
    x = 87,462,197.05/10,660.76
  6. Step 6: Final answer
    x = 8,204.12

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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.