Home / 13,522.73-18,661.36-7,554.40

Finding the Fourth Proportional to 13,522.73, 18,661.36 and 7,554.40

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Solution

The fourth proportional to 13,522.73, 18,661.36 and 7,554.40 is: 10,425.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,522.73 : 18,661.36 = 7,554.40 : x
  2. Step 2: Convert to fraction form
    13,522.73/18,661.36 = 7,554.40/x
  3. Step 3: Cross multiply
    13,522.73x = 18,661.36 × 7,554.40
  4. Step 4: Simplify right side
    13,522.73x = 140,975,377.98
  5. Step 5: Solve for x
    x = 140,975,377.98/13,522.73
  6. Step 6: Final answer
    x = 10,425.07

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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.