Home / 18,175.79-25,095.03-13,919.34

Finding the Fourth Proportional to 18,175.79, 25,095.03 and 13,919.34

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Solution

The fourth proportional to 18,175.79, 25,095.03 and 13,919.34 is: 19,218.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,175.79 : 25,095.03 = 13,919.34 : x
  2. Step 2: Convert to fraction form
    18,175.79/25,095.03 = 13,919.34/x
  3. Step 3: Cross multiply
    18,175.79x = 25,095.03 × 13,919.34
  4. Step 4: Simplify right side
    18,175.79x = 349,306,316.36
  5. Step 5: Solve for x
    x = 349,306,316.36/18,175.79
  6. Step 6: Final answer
    x = 19,218.22

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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.