Home / 9,987.40-14,981.22-2,967.25

Finding the Fourth Proportional to 9,987.40, 14,981.22 and 2,967.25

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Solution

The fourth proportional to 9,987.40, 14,981.22 and 2,967.25 is: 4,450.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,987.40 : 14,981.22 = 2,967.25 : x
  2. Step 2: Convert to fraction form
    9,987.40/14,981.22 = 2,967.25/x
  3. Step 3: Cross multiply
    9,987.40x = 14,981.22 × 2,967.25
  4. Step 4: Simplify right side
    9,987.40x = 44,453,025.05
  5. Step 5: Solve for x
    x = 44,453,025.05/9,987.40
  6. Step 6: Final answer
    x = 4,450.91

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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.