Home / 18,526.11-25,565.85-10,028.22

Finding the Fourth Proportional to 18,526.11, 25,565.85 and 10,028.22

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Solution

The fourth proportional to 18,526.11, 25,565.85 and 10,028.22 is: 13,838.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,526.11 : 25,565.85 = 10,028.22 : x
  2. Step 2: Convert to fraction form
    18,526.11/25,565.85 = 10,028.22/x
  3. Step 3: Cross multiply
    18,526.11x = 25,565.85 × 10,028.22
  4. Step 4: Simplify right side
    18,526.11x = 256,379,968.29
  5. Step 5: Solve for x
    x = 256,379,968.29/18,526.11
  6. Step 6: Final answer
    x = 13,838.85

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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.