Home / 11,433.28-17,140.20-10,888.96

Finding the Fourth Proportional to 11,433.28, 17,140.20 and 10,888.96

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Solution

The fourth proportional to 11,433.28, 17,140.20 and 10,888.96 is: 16,324.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,433.28 : 17,140.20 = 10,888.96 : x
  2. Step 2: Convert to fraction form
    11,433.28/17,140.20 = 10,888.96/x
  3. Step 3: Cross multiply
    11,433.28x = 17,140.20 × 10,888.96
  4. Step 4: Simplify right side
    11,433.28x = 186,638,952.19
  5. Step 5: Solve for x
    x = 186,638,952.19/11,433.28
  6. Step 6: Final answer
    x = 16,324.18

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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.