Home / 10,118.04-13,961.48-5,641.24

Finding the Fourth Proportional to 10,118.04, 13,961.48 and 5,641.24

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Solution

The fourth proportional to 10,118.04, 13,961.48 and 5,641.24 is: 7,784.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,118.04 : 13,961.48 = 5,641.24 : x
  2. Step 2: Convert to fraction form
    10,118.04/13,961.48 = 5,641.24/x
  3. Step 3: Cross multiply
    10,118.04x = 13,961.48 × 5,641.24
  4. Step 4: Simplify right side
    10,118.04x = 78,760,059.44
  5. Step 5: Solve for x
    x = 78,760,059.44/10,118.04
  6. Step 6: Final answer
    x = 7,784.12

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Double scale
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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.