Home / 18,711.23-28,058.57-7,016.24

Finding the Fourth Proportional to 18,711.23, 28,058.57 and 7,016.24

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Solution

The fourth proportional to 18,711.23, 28,058.57 and 7,016.24 is: 10,521.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,711.23 : 28,058.57 = 7,016.24 : x
  2. Step 2: Convert to fraction form
    18,711.23/28,058.57 = 7,016.24/x
  3. Step 3: Cross multiply
    18,711.23x = 28,058.57 × 7,016.24
  4. Step 4: Simplify right side
    18,711.23x = 196,865,485.80
  5. Step 5: Solve for x
    x = 196,865,485.80/18,711.23
  6. Step 6: Final answer
    x = 10,521.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.