Home / 18,986.29-28,482.15-5,839.77

Finding the Fourth Proportional to 18,986.29, 28,482.15 and 5,839.77

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Solution

The fourth proportional to 18,986.29, 28,482.15 and 5,839.77 is: 8,760.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,986.29 : 28,482.15 = 5,839.77 : x
  2. Step 2: Convert to fraction form
    18,986.29/28,482.15 = 5,839.77/x
  3. Step 3: Cross multiply
    18,986.29x = 28,482.15 × 5,839.77
  4. Step 4: Simplify right side
    18,986.29x = 166,329,205.11
  5. Step 5: Solve for x
    x = 166,329,205.11/18,986.29
  6. Step 6: Final answer
    x = 8,760.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.