Home / 10,663.92-15,999.48-6,718.14

Finding the Fourth Proportional to 10,663.92, 15,999.48 and 6,718.14

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Solution

The fourth proportional to 10,663.92, 15,999.48 and 6,718.14 is: 10,079.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,663.92 : 15,999.48 = 6,718.14 : x
  2. Step 2: Convert to fraction form
    10,663.92/15,999.48 = 6,718.14/x
  3. Step 3: Cross multiply
    10,663.92x = 15,999.48 × 6,718.14
  4. Step 4: Simplify right side
    10,663.92x = 107,486,746.57
  5. Step 5: Solve for x
    x = 107,486,746.57/10,663.92
  6. Step 6: Final answer
    x = 10,079.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.