Home / 9,719.65-14,575.81-3,144.07

Finding the Fourth Proportional to 9,719.65, 14,575.81 and 3,144.07

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Solution

The fourth proportional to 9,719.65, 14,575.81 and 3,144.07 is: 4,714.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,719.65 : 14,575.81 = 3,144.07 : x
  2. Step 2: Convert to fraction form
    9,719.65/14,575.81 = 3,144.07/x
  3. Step 3: Cross multiply
    9,719.65x = 14,575.81 × 3,144.07
  4. Step 4: Simplify right side
    9,719.65x = 45,827,366.95
  5. Step 5: Solve for x
    x = 45,827,366.95/9,719.65
  6. Step 6: Final answer
    x = 4,714.92

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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.