Home / 19,491.30-29,235.12-5,452.59

Finding the Fourth Proportional to 19,491.30, 29,235.12 and 5,452.59

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Solution

The fourth proportional to 19,491.30, 29,235.12 and 5,452.59 is: 8,178.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,491.30 : 29,235.12 = 5,452.59 : x
  2. Step 2: Convert to fraction form
    19,491.30/29,235.12 = 5,452.59/x
  3. Step 3: Cross multiply
    19,491.30x = 29,235.12 × 5,452.59
  4. Step 4: Simplify right side
    19,491.30x = 159,406,976.79
  5. Step 5: Solve for x
    x = 159,406,976.79/19,491.30
  6. Step 6: Final answer
    x = 8,178.37

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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.