Home / 18,078.03-24,950.57-13,820.90

Finding the Fourth Proportional to 18,078.03, 24,950.57 and 13,820.90

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Solution

The fourth proportional to 18,078.03, 24,950.57 and 13,820.90 is: 19,075.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,078.03 : 24,950.57 = 13,820.90 : x
  2. Step 2: Convert to fraction form
    18,078.03/24,950.57 = 13,820.90/x
  3. Step 3: Cross multiply
    18,078.03x = 24,950.57 × 13,820.90
  4. Step 4: Simplify right side
    18,078.03x = 344,839,139.06
  5. Step 5: Solve for x
    x = 344,839,139.06/18,078.03
  6. Step 6: Final answer
    x = 19,075.04

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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.