Home / 11,154.48-15,393.33-6,119.19

Finding the Fourth Proportional to 11,154.48, 15,393.33 and 6,119.19

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Solution

The fourth proportional to 11,154.48, 15,393.33 and 6,119.19 is: 8,444.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,154.48 : 15,393.33 = 6,119.19 : x
  2. Step 2: Convert to fraction form
    11,154.48/15,393.33 = 6,119.19/x
  3. Step 3: Cross multiply
    11,154.48x = 15,393.33 × 6,119.19
  4. Step 4: Simplify right side
    11,154.48x = 94,194,711.00
  5. Step 5: Solve for x
    x = 94,194,711.00/11,154.48
  6. Step 6: Final answer
    x = 8,444.56

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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.