Home / 15,069.39-20,794.88-8,354.59

Finding the Fourth Proportional to 15,069.39, 20,794.88 and 8,354.59

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Solution

The fourth proportional to 15,069.39, 20,794.88 and 8,354.59 is: 11,528.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,069.39 : 20,794.88 = 8,354.59 : x
  2. Step 2: Convert to fraction form
    15,069.39/20,794.88 = 8,354.59/x
  3. Step 3: Cross multiply
    15,069.39x = 20,794.88 × 8,354.59
  4. Step 4: Simplify right side
    15,069.39x = 173,732,696.50
  5. Step 5: Solve for x
    x = 173,732,696.50/15,069.39
  6. Step 6: Final answer
    x = 11,528.85

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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.