Home / 10,468.95-15,703.43-3,894.28

Finding the Fourth Proportional to 10,468.95, 15,703.43 and 3,894.28

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Solution

The fourth proportional to 10,468.95, 15,703.43 and 3,894.28 is: 5,841.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,468.95 : 15,703.43 = 3,894.28 : x
  2. Step 2: Convert to fraction form
    10,468.95/15,703.43 = 3,894.28/x
  3. Step 3: Cross multiply
    10,468.95x = 15,703.43 × 3,894.28
  4. Step 4: Simplify right side
    10,468.95x = 61,153,553.38
  5. Step 5: Solve for x
    x = 61,153,553.38/10,468.95
  6. Step 6: Final answer
    x = 5,841.42

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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.