Home / 10,998.13-15,180.06-6,285.16

Finding the Fourth Proportional to 10,998.13, 15,180.06 and 6,285.16

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Solution

The fourth proportional to 10,998.13, 15,180.06 and 6,285.16 is: 8,675.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,998.13 : 15,180.06 = 6,285.16 : x
  2. Step 2: Convert to fraction form
    10,998.13/15,180.06 = 6,285.16/x
  3. Step 3: Cross multiply
    10,998.13x = 15,180.06 × 6,285.16
  4. Step 4: Simplify right side
    10,998.13x = 95,409,105.91
  5. Step 5: Solve for x
    x = 95,409,105.91/10,998.13
  6. Step 6: Final answer
    x = 8,675.03

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Half scale
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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.