Home / 15,578.36-23,356.22-6,215.57

Finding the Fourth Proportional to 15,578.36, 23,356.22 and 6,215.57

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Solution

The fourth proportional to 15,578.36, 23,356.22 and 6,215.57 is: 9,318.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,578.36 : 23,356.22 = 6,215.57 : x
  2. Step 2: Convert to fraction form
    15,578.36/23,356.22 = 6,215.57/x
  3. Step 3: Cross multiply
    15,578.36x = 23,356.22 × 6,215.57
  4. Step 4: Simplify right side
    15,578.36x = 145,172,072.49
  5. Step 5: Solve for x
    x = 145,172,072.49/15,578.36
  6. Step 6: Final answer
    x = 9,318.83

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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.