Home / 18,155.61-25,053.03-10,196.28

Finding the Fourth Proportional to 18,155.61, 25,053.03 and 10,196.28

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Solution

The fourth proportional to 18,155.61, 25,053.03 and 10,196.28 is: 14,069.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,155.61 : 25,053.03 = 10,196.28 : x
  2. Step 2: Convert to fraction form
    18,155.61/25,053.03 = 10,196.28/x
  3. Step 3: Cross multiply
    18,155.61x = 25,053.03 × 10,196.28
  4. Step 4: Simplify right side
    18,155.61x = 255,447,708.73
  5. Step 5: Solve for x
    x = 255,447,708.73/18,155.61
  6. Step 6: Final answer
    x = 14,069.91

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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.