Home / 10,648.09-15,975.78-6,702.18

Finding the Fourth Proportional to 10,648.09, 15,975.78 and 6,702.18

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Solution

The fourth proportional to 10,648.09, 15,975.78 and 6,702.18 is: 10,055.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,648.09 : 15,975.78 = 6,702.18 : x
  2. Step 2: Convert to fraction form
    10,648.09/15,975.78 = 6,702.18/x
  3. Step 3: Cross multiply
    10,648.09x = 15,975.78 × 6,702.18
  4. Step 4: Simplify right side
    10,648.09x = 107,072,553.20
  5. Step 5: Solve for x
    x = 107,072,553.20/10,648.09
  6. Step 6: Final answer
    x = 10,055.56

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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.