Home / 9,715.65-14,575.55-3,141.60

Finding the Fourth Proportional to 9,715.65, 14,575.55 and 3,141.60

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Solution

The fourth proportional to 9,715.65, 14,575.55 and 3,141.60 is: 4,713.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,715.65 : 14,575.55 = 3,141.60 : x
  2. Step 2: Convert to fraction form
    9,715.65/14,575.55 = 3,141.60/x
  3. Step 3: Cross multiply
    9,715.65x = 14,575.55 × 3,141.60
  4. Step 4: Simplify right side
    9,715.65x = 45,790,532.17
  5. Step 5: Solve for x
    x = 45,790,532.17/9,715.65
  6. Step 6: Final answer
    x = 4,713.07

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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.