Home / 13,246.44-18,276.78-9,703.50

Finding the Fourth Proportional to 13,246.44, 18,276.78 and 9,703.50

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Solution

The fourth proportional to 13,246.44, 18,276.78 and 9,703.50 is: 13,388.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,246.44 : 18,276.78 = 9,703.50 : x
  2. Step 2: Convert to fraction form
    13,246.44/18,276.78 = 9,703.50/x
  3. Step 3: Cross multiply
    13,246.44x = 18,276.78 × 9,703.50
  4. Step 4: Simplify right side
    13,246.44x = 177,348,734.73
  5. Step 5: Solve for x
    x = 177,348,734.73/13,246.44
  6. Step 6: Final answer
    x = 13,388.41

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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.