Home / 10,513.53-15,759.66-6,818.11

Finding the Fourth Proportional to 10,513.53, 15,759.66 and 6,818.11

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Solution

The fourth proportional to 10,513.53, 15,759.66 and 6,818.11 is: 10,220.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,513.53 : 15,759.66 = 6,818.11 : x
  2. Step 2: Convert to fraction form
    10,513.53/15,759.66 = 6,818.11/x
  3. Step 3: Cross multiply
    10,513.53x = 15,759.66 × 6,818.11
  4. Step 4: Simplify right side
    10,513.53x = 107,451,095.44
  5. Step 5: Solve for x
    x = 107,451,095.44/10,513.53
  6. Step 6: Final answer
    x = 10,220.27

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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.