Home / 10,045.20-13,853.34-6,857.04

Finding the Fourth Proportional to 10,045.20, 13,853.34 and 6,857.04

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Solution

The fourth proportional to 10,045.20, 13,853.34 and 6,857.04 is: 9,456.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,045.20 : 13,853.34 = 6,857.04 : x
  2. Step 2: Convert to fraction form
    10,045.20/13,853.34 = 6,857.04/x
  3. Step 3: Cross multiply
    10,045.20x = 13,853.34 × 6,857.04
  4. Step 4: Simplify right side
    10,045.20x = 94,992,906.51
  5. Step 5: Solve for x
    x = 94,992,906.51/10,045.20
  6. Step 6: Final answer
    x = 9,456.55

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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.