Home / 10,236.78-15,336.54-7,110.18

Finding the Fourth Proportional to 10,236.78, 15,336.54 and 7,110.18

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Solution

The fourth proportional to 10,236.78, 15,336.54 and 7,110.18 is: 10,652.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.78 : 15,336.54 = 7,110.18 : x
  2. Step 2: Convert to fraction form
    10,236.78/15,336.54 = 7,110.18/x
  3. Step 3: Cross multiply
    10,236.78x = 15,336.54 × 7,110.18
  4. Step 4: Simplify right side
    10,236.78x = 109,045,559.98
  5. Step 5: Solve for x
    x = 109,045,559.98/10,236.78
  6. Step 6: Final answer
    x = 10,652.33

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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.