Home / 15,068.28-20,794.22-8,353.89

Finding the Fourth Proportional to 15,068.28, 20,794.22 and 8,353.89

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Solution

The fourth proportional to 15,068.28, 20,794.22 and 8,353.89 is: 11,528.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,068.28 : 20,794.22 = 8,353.89 : x
  2. Step 2: Convert to fraction form
    15,068.28/20,794.22 = 8,353.89/x
  3. Step 3: Cross multiply
    15,068.28x = 20,794.22 × 8,353.89
  4. Step 4: Simplify right side
    15,068.28x = 173,712,626.52
  5. Step 5: Solve for x
    x = 173,712,626.52/15,068.28
  6. Step 6: Final answer
    x = 11,528.36

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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.