Home / 9,986.40-14,981.04-3,061.44

Finding the Fourth Proportional to 9,986.40, 14,981.04 and 3,061.44

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Solution

The fourth proportional to 9,986.40, 14,981.04 and 3,061.44 is: 4,592.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,986.40 : 14,981.04 = 3,061.44 : x
  2. Step 2: Convert to fraction form
    9,986.40/14,981.04 = 3,061.44/x
  3. Step 3: Cross multiply
    9,986.40x = 14,981.04 × 3,061.44
  4. Step 4: Simplify right side
    9,986.40x = 45,863,555.10
  5. Step 5: Solve for x
    x = 45,863,555.10/9,986.40
  6. Step 6: Final answer
    x = 4,592.60

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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.