Home / 18,503.21-25,535.10-10,545.23

Finding the Fourth Proportional to 18,503.21, 25,535.10 and 10,545.23

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Solution

The fourth proportional to 18,503.21, 25,535.10 and 10,545.23 is: 14,552.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,503.21 : 25,535.10 = 10,545.23 : x
  2. Step 2: Convert to fraction form
    18,503.21/25,535.10 = 10,545.23/x
  3. Step 3: Cross multiply
    18,503.21x = 25,535.10 × 10,545.23
  4. Step 4: Simplify right side
    18,503.21x = 269,273,374.90
  5. Step 5: Solve for x
    x = 269,273,374.90/18,503.21
  6. Step 6: Final answer
    x = 14,552.80

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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.