Home / 10,680-14,747.52-6,707.76

Finding the Fourth Proportional to 10,680, 14,747.52 and 6,707.76

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Solution

The fourth proportional to 10,680, 14,747.52 and 6,707.76 is: 9,262.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,680 : 14,747.52 = 6,707.76 : x
  2. Step 2: Convert to fraction form
    10,680/14,747.52 = 6,707.76/x
  3. Step 3: Cross multiply
    10,680x = 14,747.52 × 6,707.76
  4. Step 4: Simplify right side
    10,680x = 98,922,824.76
  5. Step 5: Solve for x
    x = 98,922,824.76/10,680
  6. Step 6: Final answer
    x = 9,262.44

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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.