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Finding the Fourth Proportional to 18,502, 25,545.08 and 10,950.76

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Solution

The fourth proportional to 18,502, 25,545.08 and 10,950.76 is: 15,119.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,502 : 25,545.08 = 10,950.76 : x
  2. Step 2: Convert to fraction form
    18,502/25,545.08 = 10,950.76/x
  3. Step 3: Cross multiply
    18,502x = 25,545.08 × 10,950.76
  4. Step 4: Simplify right side
    18,502x = 279,738,040.26
  5. Step 5: Solve for x
    x = 279,738,040.26/18,502
  6. Step 6: Final answer
    x = 15,119.34

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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.