Home / 10,951.52-15,115.40-6,417.16

Finding the Fourth Proportional to 10,951.52, 15,115.40 and 6,417.16

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Solution

The fourth proportional to 10,951.52, 15,115.40 and 6,417.16 is: 8,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,951.52 : 15,115.40 = 6,417.16 : x
  2. Step 2: Convert to fraction form
    10,951.52/15,115.40 = 6,417.16/x
  3. Step 3: Cross multiply
    10,951.52x = 15,115.40 × 6,417.16
  4. Step 4: Simplify right side
    10,951.52x = 96,997,940.26
  5. Step 5: Solve for x
    x = 96,997,940.26/10,951.52
  6. Step 6: Final answer
    x = 8,857.03

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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.