Home / 9,381.02-14,066.72-3,138.80

Finding the Fourth Proportional to 9,381.02, 14,066.72 and 3,138.80

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Solution

The fourth proportional to 9,381.02, 14,066.72 and 3,138.80 is: 4,706.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,381.02 : 14,066.72 = 3,138.80 : x
  2. Step 2: Convert to fraction form
    9,381.02/14,066.72 = 3,138.80/x
  3. Step 3: Cross multiply
    9,381.02x = 14,066.72 × 3,138.80
  4. Step 4: Simplify right side
    9,381.02x = 44,152,620.74
  5. Step 5: Solve for x
    x = 44,152,620.74/9,381.02
  6. Step 6: Final answer
    x = 4,706.59

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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.