Home / 15,379.45-23,069.19-4,286.17

Finding the Fourth Proportional to 15,379.45, 23,069.19 and 4,286.17

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Solution

The fourth proportional to 15,379.45, 23,069.19 and 4,286.17 is: 6,429.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,379.45 : 23,069.19 = 4,286.17 : x
  2. Step 2: Convert to fraction form
    15,379.45/23,069.19 = 4,286.17/x
  3. Step 3: Cross multiply
    15,379.45x = 23,069.19 × 4,286.17
  4. Step 4: Simplify right side
    15,379.45x = 98,878,470.10
  5. Step 5: Solve for x
    x = 98,878,470.10/15,379.45
  6. Step 6: Final answer
    x = 6,429.26

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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.