Home / 9,987.48-14,981.60-3,324.57

Finding the Fourth Proportional to 9,987.48, 14,981.60 and 3,324.57

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Solution

The fourth proportional to 9,987.48, 14,981.60 and 3,324.57 is: 4,986.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.48 : 14,981.60 = 3,324.57 : x
  2. Step 2: Convert to fraction form
    9,987.48/14,981.60 = 3,324.57/x
  3. Step 3: Cross multiply
    9,987.48x = 14,981.60 × 3,324.57
  4. Step 4: Simplify right side
    9,987.48x = 49,807,377.91
  5. Step 5: Solve for x
    x = 49,807,377.91/9,987.48
  6. Step 6: Final answer
    x = 4,986.98

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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.