Home / 15,091.48-20,824.32-8,376.18

Finding the Fourth Proportional to 15,091.48, 20,824.32 and 8,376.18

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Solution

The fourth proportional to 15,091.48, 20,824.32 and 8,376.18 is: 11,558.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,091.48 : 20,824.32 = 8,376.18 : x
  2. Step 2: Convert to fraction form
    15,091.48/20,824.32 = 8,376.18/x
  3. Step 3: Cross multiply
    15,091.48x = 20,824.32 × 8,376.18
  4. Step 4: Simplify right side
    15,091.48x = 174,428,252.70
  5. Step 5: Solve for x
    x = 174,428,252.70/15,091.48
  6. Step 6: Final answer
    x = 11,558.06

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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.