Home / 15,379.39-23,070.38-4,286.14

Finding the Fourth Proportional to 15,379.39, 23,070.38 and 4,286.14

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Solution

The fourth proportional to 15,379.39, 23,070.38 and 4,286.14 is: 6,429.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.39 : 23,070.38 = 4,286.14 : x
  2. Step 2: Convert to fraction form
    15,379.39/23,070.38 = 4,286.14/x
  3. Step 3: Cross multiply
    15,379.39x = 23,070.38 × 4,286.14
  4. Step 4: Simplify right side
    15,379.39x = 98,882,878.53
  5. Step 5: Solve for x
    x = 98,882,878.53/15,379.39
  6. Step 6: Final answer
    x = 6,429.57

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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.