Home / 13,523.73-18,660.90-7,554.66

Finding the Fourth Proportional to 13,523.73, 18,660.90 and 7,554.66

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Solution

The fourth proportional to 13,523.73, 18,660.90 and 7,554.66 is: 10,424.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,523.73 : 18,660.90 = 7,554.66 : x
  2. Step 2: Convert to fraction form
    13,523.73/18,660.90 = 7,554.66/x
  3. Step 3: Cross multiply
    13,523.73x = 18,660.90 × 7,554.66
  4. Step 4: Simplify right side
    13,523.73x = 140,976,754.79
  5. Step 5: Solve for x
    x = 140,976,754.79/13,523.73
  6. Step 6: Final answer
    x = 10,424.40

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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.