Home / 13,766.25-19,000.95-8,392.32

Finding the Fourth Proportional to 13,766.25, 19,000.95 and 8,392.32

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Solution

The fourth proportional to 13,766.25, 19,000.95 and 8,392.32 is: 11,583.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,766.25 : 19,000.95 = 8,392.32 : x
  2. Step 2: Convert to fraction form
    13,766.25/19,000.95 = 8,392.32/x
  3. Step 3: Cross multiply
    13,766.25x = 19,000.95 × 8,392.32
  4. Step 4: Simplify right side
    13,766.25x = 159,462,052.70
  5. Step 5: Solve for x
    x = 159,462,052.70/13,766.25
  6. Step 6: Final answer
    x = 11,583.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.