Home / 13,677.69-18,863.58-9,435.52

Finding the Fourth Proportional to 13,677.69, 18,863.58 and 9,435.52

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Solution

The fourth proportional to 13,677.69, 18,863.58 and 9,435.52 is: 13,012.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,677.69 : 18,863.58 = 9,435.52 : x
  2. Step 2: Convert to fraction form
    13,677.69/18,863.58 = 9,435.52/x
  3. Step 3: Cross multiply
    13,677.69x = 18,863.58 × 9,435.52
  4. Step 4: Simplify right side
    13,677.69x = 177,987,639.20
  5. Step 5: Solve for x
    x = 177,987,639.20/13,677.69
  6. Step 6: Final answer
    x = 13,012.99

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.