Home / 18,545.04-25,578.60-13,510.80

Finding the Fourth Proportional to 18,545.04, 25,578.60 and 13,510.80

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Solution

The fourth proportional to 18,545.04, 25,578.60 and 13,510.80 is: 18,635.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,545.04 : 25,578.60 = 13,510.80 : x
  2. Step 2: Convert to fraction form
    18,545.04/25,578.60 = 13,510.80/x
  3. Step 3: Cross multiply
    18,545.04x = 25,578.60 × 13,510.80
  4. Step 4: Simplify right side
    18,545.04x = 345,587,348.88
  5. Step 5: Solve for x
    x = 345,587,348.88/18,545.04
  6. Step 6: Final answer
    x = 18,635.03

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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.