Home / 9,537.29-14,311.53-3,990.18

Finding the Fourth Proportional to 9,537.29, 14,311.53 and 3,990.18

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Solution

The fourth proportional to 9,537.29, 14,311.53 and 3,990.18 is: 5,987.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,537.29 : 14,311.53 = 3,990.18 : x
  2. Step 2: Convert to fraction form
    9,537.29/14,311.53 = 3,990.18/x
  3. Step 3: Cross multiply
    9,537.29x = 14,311.53 × 3,990.18
  4. Step 4: Simplify right side
    9,537.29x = 57,105,580.78
  5. Step 5: Solve for x
    x = 57,105,580.78/9,537.29
  6. Step 6: Final answer
    x = 5,987.61

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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.