Home / 13,517.27-18,653.70-7,548.79

Finding the Fourth Proportional to 13,517.27, 18,653.70 and 7,548.79

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Solution

The fourth proportional to 13,517.27, 18,653.70 and 7,548.79 is: 10,417.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,517.27 : 18,653.70 = 7,548.79 : x
  2. Step 2: Convert to fraction form
    13,517.27/18,653.70 = 7,548.79/x
  3. Step 3: Cross multiply
    13,517.27x = 18,653.70 × 7,548.79
  4. Step 4: Simplify right side
    13,517.27x = 140,812,845.70
  5. Step 5: Solve for x
    x = 140,812,845.70/13,517.27
  6. Step 6: Final answer
    x = 10,417.25

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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.