Home / 11,639.76-17,370.24-10,394.16

Finding the Fourth Proportional to 11,639.76, 17,370.24 and 10,394.16

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Solution

The fourth proportional to 11,639.76, 17,370.24 and 10,394.16 is: 15,511.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,639.76 : 17,370.24 = 10,394.16 : x
  2. Step 2: Convert to fraction form
    11,639.76/17,370.24 = 10,394.16/x
  3. Step 3: Cross multiply
    11,639.76x = 17,370.24 × 10,394.16
  4. Step 4: Simplify right side
    11,639.76x = 180,549,053.80
  5. Step 5: Solve for x
    x = 180,549,053.80/11,639.76
  6. Step 6: Final answer
    x = 15,511.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.