Home / 17,112.68-25,669.93-5,426.81

Finding the Fourth Proportional to 17,112.68, 25,669.93 and 5,426.81

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Solution

The fourth proportional to 17,112.68, 25,669.93 and 5,426.81 is: 8,140.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,112.68 : 25,669.93 = 5,426.81 : x
  2. Step 2: Convert to fraction form
    17,112.68/25,669.93 = 5,426.81/x
  3. Step 3: Cross multiply
    17,112.68x = 25,669.93 × 5,426.81
  4. Step 4: Simplify right side
    17,112.68x = 139,305,690.91
  5. Step 5: Solve for x
    x = 139,305,690.91/17,112.68
  6. Step 6: Final answer
    x = 8,140.50

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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.