Home / 18,623.11-25,700.39-10,125.80

Finding the Fourth Proportional to 18,623.11, 25,700.39 and 10,125.80

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Solution

The fourth proportional to 18,623.11, 25,700.39 and 10,125.80 is: 13,973.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,623.11 : 25,700.39 = 10,125.80 : x
  2. Step 2: Convert to fraction form
    18,623.11/25,700.39 = 10,125.80/x
  3. Step 3: Cross multiply
    18,623.11x = 25,700.39 × 10,125.80
  4. Step 4: Simplify right side
    18,623.11x = 260,237,043.14
  5. Step 5: Solve for x
    x = 260,237,043.14/18,623.11
  6. Step 6: Final answer
    x = 13,973.88

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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.