Home / 18,760.29-28,136.24-5,610.95

Finding the Fourth Proportional to 18,760.29, 28,136.24 and 5,610.95

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Solution

The fourth proportional to 18,760.29, 28,136.24 and 5,610.95 is: 8,415.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,760.29 : 28,136.24 = 5,610.95 : x
  2. Step 2: Convert to fraction form
    18,760.29/28,136.24 = 5,610.95/x
  3. Step 3: Cross multiply
    18,760.29x = 28,136.24 × 5,610.95
  4. Step 4: Simplify right side
    18,760.29x = 157,871,035.83
  5. Step 5: Solve for x
    x = 157,871,035.83/18,760.29
  6. Step 6: Final answer
    x = 8,415.17

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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.