Home / 11,028.05-15,219.39-6,312.23

Finding the Fourth Proportional to 11,028.05, 15,219.39 and 6,312.23

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Solution

The fourth proportional to 11,028.05, 15,219.39 and 6,312.23 is: 8,711.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,028.05 : 15,219.39 = 6,312.23 : x
  2. Step 2: Convert to fraction form
    11,028.05/15,219.39 = 6,312.23/x
  3. Step 3: Cross multiply
    11,028.05x = 15,219.39 × 6,312.23
  4. Step 4: Simplify right side
    11,028.05x = 96,068,182.48
  5. Step 5: Solve for x
    x = 96,068,182.48/11,028.05
  6. Step 6: Final answer
    x = 8,711.26

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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.