Home / 13,894.46-19,175.45-7,924.76

Finding the Fourth Proportional to 13,894.46, 19,175.45 and 7,924.76

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Solution

The fourth proportional to 13,894.46, 19,175.45 and 7,924.76 is: 10,936.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,894.46 : 19,175.45 = 7,924.76 : x
  2. Step 2: Convert to fraction form
    13,894.46/19,175.45 = 7,924.76/x
  3. Step 3: Cross multiply
    13,894.46x = 19,175.45 × 7,924.76
  4. Step 4: Simplify right side
    13,894.46x = 151,960,703.64
  5. Step 5: Solve for x
    x = 151,960,703.64/13,894.46
  6. Step 6: Final answer
    x = 10,936.79

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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.