Home / 17,388.81-26,082.93-5,542.43

Finding the Fourth Proportional to 17,388.81, 26,082.93 and 5,542.43

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Solution

The fourth proportional to 17,388.81, 26,082.93 and 5,542.43 is: 8,313.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,388.81 : 26,082.93 = 5,542.43 : x
  2. Step 2: Convert to fraction form
    17,388.81/26,082.93 = 5,542.43/x
  3. Step 3: Cross multiply
    17,388.81x = 26,082.93 × 5,542.43
  4. Step 4: Simplify right side
    17,388.81x = 144,562,683.31
  5. Step 5: Solve for x
    x = 144,562,683.31/17,388.81
  6. Step 6: Final answer
    x = 8,313.55

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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.