Home / 18,427.18-25,426.95-10,873.83

Finding the Fourth Proportional to 18,427.18, 25,426.95 and 10,873.83

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Solution

The fourth proportional to 18,427.18, 25,426.95 and 10,873.83 is: 15,004.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.18 : 25,426.95 = 10,873.83 : x
  2. Step 2: Convert to fraction form
    18,427.18/25,426.95 = 10,873.83/x
  3. Step 3: Cross multiply
    18,427.18x = 25,426.95 × 10,873.83
  4. Step 4: Simplify right side
    18,427.18x = 276,488,396.41
  5. Step 5: Solve for x
    x = 276,488,396.41/18,427.18
  6. Step 6: Final answer
    x = 15,004.38

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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.