Home / 15,113.50-20,842.68-9,446.44

Finding the Fourth Proportional to 15,113.50, 20,842.68 and 9,446.44

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Solution

The fourth proportional to 15,113.50, 20,842.68 and 9,446.44 is: 13,027.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,113.50 : 20,842.68 = 9,446.44 : x
  2. Step 2: Convert to fraction form
    15,113.50/20,842.68 = 9,446.44/x
  3. Step 3: Cross multiply
    15,113.50x = 20,842.68 × 9,446.44
  4. Step 4: Simplify right side
    15,113.50x = 196,889,148.46
  5. Step 5: Solve for x
    x = 196,889,148.46/15,113.50
  6. Step 6: Final answer
    x = 13,027.37

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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.