Home / 10,236.30-15,327.11-6,518.40

Finding the Fourth Proportional to 10,236.30, 15,327.11 and 6,518.40

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Solution

The fourth proportional to 10,236.30, 15,327.11 and 6,518.40 is: 9,760.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,236.30 : 15,327.11 = 6,518.40 : x
  2. Step 2: Convert to fraction form
    10,236.30/15,327.11 = 6,518.40/x
  3. Step 3: Cross multiply
    10,236.30x = 15,327.11 × 6,518.40
  4. Step 4: Simplify right side
    10,236.30x = 99,908,201.23
  5. Step 5: Solve for x
    x = 99,908,201.23/10,236.30
  6. Step 6: Final answer
    x = 9,760.19

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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.