Home / 11,527.20-17,301.60-9,885.60

Finding the Fourth Proportional to 11,527.20, 17,301.60 and 9,885.60

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Solution

The fourth proportional to 11,527.20, 17,301.60 and 9,885.60 is: 14,837.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,527.20 : 17,301.60 = 9,885.60 : x
  2. Step 2: Convert to fraction form
    11,527.20/17,301.60 = 9,885.60/x
  3. Step 3: Cross multiply
    11,527.20x = 17,301.60 × 9,885.60
  4. Step 4: Simplify right side
    11,527.20x = 171,036,696.96
  5. Step 5: Solve for x
    x = 171,036,696.96/11,527.20
  6. Step 6: Final answer
    x = 14,837.66

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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.