Home / 19,389.52-29,083.68-5,538.56

Finding the Fourth Proportional to 19,389.52, 29,083.68 and 5,538.56

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Solution

The fourth proportional to 19,389.52, 29,083.68 and 5,538.56 is: 8,307.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,389.52 : 29,083.68 = 5,538.56 : x
  2. Step 2: Convert to fraction form
    19,389.52/29,083.68 = 5,538.56/x
  3. Step 3: Cross multiply
    19,389.52x = 29,083.68 × 5,538.56
  4. Step 4: Simplify right side
    19,389.52x = 161,081,706.70
  5. Step 5: Solve for x
    x = 161,081,706.70/19,389.52
  6. Step 6: Final answer
    x = 8,307.67

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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.