Home / 19,589.12-29,383.92-5,738.40

Finding the Fourth Proportional to 19,589.12, 29,383.92 and 5,738.40

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Solution

The fourth proportional to 19,589.12, 29,383.92 and 5,738.40 is: 8,607.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,589.12 : 29,383.92 = 5,738.40 : x
  2. Step 2: Convert to fraction form
    19,589.12/29,383.92 = 5,738.40/x
  3. Step 3: Cross multiply
    19,589.12x = 29,383.92 × 5,738.40
  4. Step 4: Simplify right side
    19,589.12x = 168,616,686.53
  5. Step 5: Solve for x
    x = 168,616,686.53/19,589.12
  6. Step 6: Final answer
    x = 8,607.67

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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.