Home / 16,860.47-25,290.50-4,379.38

Finding the Fourth Proportional to 16,860.47, 25,290.50 and 4,379.38

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Solution

The fourth proportional to 16,860.47, 25,290.50 and 4,379.38 is: 6,569.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,860.47 : 25,290.50 = 4,379.38 : x
  2. Step 2: Convert to fraction form
    16,860.47/25,290.50 = 4,379.38/x
  3. Step 3: Cross multiply
    16,860.47x = 25,290.50 × 4,379.38
  4. Step 4: Simplify right side
    16,860.47x = 110,756,624.77
  5. Step 5: Solve for x
    x = 110,756,624.77/16,860.47
  6. Step 6: Final answer
    x = 6,569.01

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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.