Home / 19,436.60-29,155.82-6,290

Finding the Fourth Proportional to 19,436.60, 29,155.82 and 6,290

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Solution

The fourth proportional to 19,436.60, 29,155.82 and 6,290 is: 9,435.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,436.60 : 29,155.82 = 6,290 : x
  2. Step 2: Convert to fraction form
    19,436.60/29,155.82 = 6,290/x
  3. Step 3: Cross multiply
    19,436.60x = 29,155.82 × 6,290
  4. Step 4: Simplify right side
    19,436.60x = 183,390,107.80
  5. Step 5: Solve for x
    x = 183,390,107.80/19,436.60
  6. Step 6: Final answer
    x = 9,435.30

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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.