Home / 18,486.07-25,510.97-10,102.57

Finding the Fourth Proportional to 18,486.07, 25,510.97 and 10,102.57

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Solution

The fourth proportional to 18,486.07, 25,510.97 and 10,102.57 is: 13,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,486.07 : 25,510.97 = 10,102.57 : x
  2. Step 2: Convert to fraction form
    18,486.07/25,510.97 = 10,102.57/x
  3. Step 3: Cross multiply
    18,486.07x = 25,510.97 × 10,102.57
  4. Step 4: Simplify right side
    18,486.07x = 257,726,309.68
  5. Step 5: Solve for x
    x = 257,726,309.68/18,486.07
  6. Step 6: Final answer
    x = 13,941.65

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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.