Home / 19,719.80-29,584.86-8,627.48

Finding the Fourth Proportional to 19,719.80, 29,584.86 and 8,627.48

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Solution

The fourth proportional to 19,719.80, 29,584.86 and 8,627.48 is: 12,943.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,719.80 : 29,584.86 = 8,627.48 : x
  2. Step 2: Convert to fraction form
    19,719.80/29,584.86 = 8,627.48/x
  3. Step 3: Cross multiply
    19,719.80x = 29,584.86 × 8,627.48
  4. Step 4: Simplify right side
    19,719.80x = 255,242,787.95
  5. Step 5: Solve for x
    x = 255,242,787.95/19,719.80
  6. Step 6: Final answer
    x = 12,943.48

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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.