Home / 18,742.95-25,864.80-10,245.10

Finding the Fourth Proportional to 18,742.95, 25,864.80 and 10,245.10

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Solution

The fourth proportional to 18,742.95, 25,864.80 and 10,245.10 is: 14,137.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,742.95 : 25,864.80 = 10,245.10 : x
  2. Step 2: Convert to fraction form
    18,742.95/25,864.80 = 10,245.10/x
  3. Step 3: Cross multiply
    18,742.95x = 25,864.80 × 10,245.10
  4. Step 4: Simplify right side
    18,742.95x = 264,987,359.40
  5. Step 5: Solve for x
    x = 264,987,359.40/18,742.95
  6. Step 6: Final answer
    x = 14,137.97

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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.