Home / 18,180.47-25,088.55-10,222.49

Finding the Fourth Proportional to 18,180.47, 25,088.55 and 10,222.49

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Solution

The fourth proportional to 18,180.47, 25,088.55 and 10,222.49 is: 14,106.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,180.47 : 25,088.55 = 10,222.49 : x
  2. Step 2: Convert to fraction form
    18,180.47/25,088.55 = 10,222.49/x
  3. Step 3: Cross multiply
    18,180.47x = 25,088.55 × 10,222.49
  4. Step 4: Simplify right side
    18,180.47x = 256,467,451.49
  5. Step 5: Solve for x
    x = 256,467,451.49/18,180.47
  6. Step 6: Final answer
    x = 14,106.76

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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.