Home / 13,441.60-18,551.30-9,677.24

Finding the Fourth Proportional to 13,441.60, 18,551.30 and 9,677.24

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Solution

The fourth proportional to 13,441.60, 18,551.30 and 9,677.24 is: 13,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,441.60 : 18,551.30 = 9,677.24 : x
  2. Step 2: Convert to fraction form
    13,441.60/18,551.30 = 9,677.24/x
  3. Step 3: Cross multiply
    13,441.60x = 18,551.30 × 9,677.24
  4. Step 4: Simplify right side
    13,441.60x = 179,525,382.41
  5. Step 5: Solve for x
    x = 179,525,382.41/13,441.60
  6. Step 6: Final answer
    x = 13,355.95

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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.