Home / 19,569.36-29,354.34-4,778.52

Finding the Fourth Proportional to 19,569.36, 29,354.34 and 4,778.52

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Solution

The fourth proportional to 19,569.36, 29,354.34 and 4,778.52 is: 7,167.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.36 : 29,354.34 = 4,778.52 : x
  2. Step 2: Convert to fraction form
    19,569.36/29,354.34 = 4,778.52/x
  3. Step 3: Cross multiply
    19,569.36x = 29,354.34 × 4,778.52
  4. Step 4: Simplify right side
    19,569.36x = 140,270,300.78
  5. Step 5: Solve for x
    x = 140,270,300.78/19,569.36
  6. Step 6: Final answer
    x = 7,167.85

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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.