Home / 18,146.76-25,044.59-10,191.56

Finding the Fourth Proportional to 18,146.76, 25,044.59 and 10,191.56

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Solution

The fourth proportional to 18,146.76, 25,044.59 and 10,191.56 is: 14,065.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,146.76 : 25,044.59 = 10,191.56 : x
  2. Step 2: Convert to fraction form
    18,146.76/25,044.59 = 10,191.56/x
  3. Step 3: Cross multiply
    18,146.76x = 25,044.59 × 10,191.56
  4. Step 4: Simplify right side
    18,146.76x = 255,243,265.48
  5. Step 5: Solve for x
    x = 255,243,265.48/18,146.76
  6. Step 6: Final answer
    x = 14,065.50

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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.