Home / 10,173.75-15,329.95-8,365.38

Finding the Fourth Proportional to 10,173.75, 15,329.95 and 8,365.38

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Solution

The fourth proportional to 10,173.75, 15,329.95 and 8,365.38 is: 12,605.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,173.75 : 15,329.95 = 8,365.38 : x
  2. Step 2: Convert to fraction form
    10,173.75/15,329.95 = 8,365.38/x
  3. Step 3: Cross multiply
    10,173.75x = 15,329.95 × 8,365.38
  4. Step 4: Simplify right side
    10,173.75x = 128,240,778.73
  5. Step 5: Solve for x
    x = 128,240,778.73/10,173.75
  6. Step 6: Final answer
    x = 12,605.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.