Home / 13,894.29-19,173.42-7,925.73

Finding the Fourth Proportional to 13,894.29, 19,173.42 and 7,925.73

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Solution

The fourth proportional to 13,894.29, 19,173.42 and 7,925.73 is: 10,937.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.29 : 19,173.42 = 7,925.73 : x
  2. Step 2: Convert to fraction form
    13,894.29/19,173.42 = 7,925.73/x
  3. Step 3: Cross multiply
    13,894.29x = 19,173.42 × 7,925.73
  4. Step 4: Simplify right side
    13,894.29x = 151,963,350.10
  5. Step 5: Solve for x
    x = 151,963,350.10/13,894.29
  6. Step 6: Final answer
    x = 10,937.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.