Home / 19,578.39-29,367.45-4,787.52

Finding the Fourth Proportional to 19,578.39, 29,367.45 and 4,787.52

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Solution

The fourth proportional to 19,578.39, 29,367.45 and 4,787.52 is: 7,181.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,578.39 : 29,367.45 = 4,787.52 : x
  2. Step 2: Convert to fraction form
    19,578.39/29,367.45 = 4,787.52/x
  3. Step 3: Cross multiply
    19,578.39x = 29,367.45 × 4,787.52
  4. Step 4: Simplify right side
    19,578.39x = 140,597,254.22
  5. Step 5: Solve for x
    x = 140,597,254.22/19,578.39
  6. Step 6: Final answer
    x = 7,181.25

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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.