Home / 10,171.95-15,253.07-4,971.75

Finding the Fourth Proportional to 10,171.95, 15,253.07 and 4,971.75

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Solution

The fourth proportional to 10,171.95, 15,253.07 and 4,971.75 is: 7,455.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,171.95 : 15,253.07 = 4,971.75 : x
  2. Step 2: Convert to fraction form
    10,171.95/15,253.07 = 4,971.75/x
  3. Step 3: Cross multiply
    10,171.95x = 15,253.07 × 4,971.75
  4. Step 4: Simplify right side
    10,171.95x = 75,834,425.91
  5. Step 5: Solve for x
    x = 75,834,425.91/10,171.95
  6. Step 6: Final answer
    x = 7,455.25

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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.