Home / 39,206.93-58,812.64-11,124.78

Finding the Fourth Proportional to 39,206.93, 58,812.64 and 11,124.78

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Solution

The fourth proportional to 39,206.93, 58,812.64 and 11,124.78 is: 16,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,206.93 : 58,812.64 = 11,124.78 : x
  2. Step 2: Convert to fraction form
    39,206.93/58,812.64 = 11,124.78/x
  3. Step 3: Cross multiply
    39,206.93x = 58,812.64 × 11,124.78
  4. Step 4: Simplify right side
    39,206.93x = 654,277,856.06
  5. Step 5: Solve for x
    x = 654,277,856.06/39,206.93
  6. Step 6: Final answer
    x = 16,687.81

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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.