Home / 19,569.39-29,353.47-4,778.38

Finding the Fourth Proportional to 19,569.39, 29,353.47 and 4,778.38

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Solution

The fourth proportional to 19,569.39, 29,353.47 and 4,778.38 is: 7,167.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,569.39 : 29,353.47 = 4,778.38 : x
  2. Step 2: Convert to fraction form
    19,569.39/29,353.47 = 4,778.38/x
  3. Step 3: Cross multiply
    19,569.39x = 29,353.47 × 4,778.38
  4. Step 4: Simplify right side
    19,569.39x = 140,262,033.98
  5. Step 5: Solve for x
    x = 140,262,033.98/19,569.39
  6. Step 6: Final answer
    x = 7,167.42

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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.