Home / 10,774.20-16,091.19-9,042.36

Finding the Fourth Proportional to 10,774.20, 16,091.19 and 9,042.36

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Solution

The fourth proportional to 10,774.20, 16,091.19 and 9,042.36 is: 13,504.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,774.20 : 16,091.19 = 9,042.36 : x
  2. Step 2: Convert to fraction form
    10,774.20/16,091.19 = 9,042.36/x
  3. Step 3: Cross multiply
    10,774.20x = 16,091.19 × 9,042.36
  4. Step 4: Simplify right side
    10,774.20x = 145,502,332.81
  5. Step 5: Solve for x
    x = 145,502,332.81/10,774.20
  6. Step 6: Final answer
    x = 13,504.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.