Home / 10,155.36-15,236.32-4,316.88

Finding the Fourth Proportional to 10,155.36, 15,236.32 and 4,316.88

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Solution

The fourth proportional to 10,155.36, 15,236.32 and 4,316.88 is: 6,476.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,155.36 : 15,236.32 = 4,316.88 : x
  2. Step 2: Convert to fraction form
    10,155.36/15,236.32 = 4,316.88/x
  3. Step 3: Cross multiply
    10,155.36x = 15,236.32 × 4,316.88
  4. Step 4: Simplify right side
    10,155.36x = 65,773,365.08
  5. Step 5: Solve for x
    x = 65,773,365.08/10,155.36
  6. Step 6: Final answer
    x = 6,476.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.