Home / 9,143.61-13,718.83-3,600.81

Finding the Fourth Proportional to 9,143.61, 13,718.83 and 3,600.81

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Solution

The fourth proportional to 9,143.61, 13,718.83 and 3,600.81 is: 5,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,143.61 : 13,718.83 = 3,600.81 : x
  2. Step 2: Convert to fraction form
    9,143.61/13,718.83 = 3,600.81/x
  3. Step 3: Cross multiply
    9,143.61x = 13,718.83 × 3,600.81
  4. Step 4: Simplify right side
    9,143.61x = 49,398,933.69
  5. Step 5: Solve for x
    x = 49,398,933.69/9,143.61
  6. Step 6: Final answer
    x = 5,402.57

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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.