Home / 12,224.40-16,878.96-10,749.84

Finding the Fourth Proportional to 12,224.40, 16,878.96 and 10,749.84

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Solution

The fourth proportional to 12,224.40, 16,878.96 and 10,749.84 is: 14,842.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,224.40 : 16,878.96 = 10,749.84 : x
  2. Step 2: Convert to fraction form
    12,224.40/16,878.96 = 10,749.84/x
  3. Step 3: Cross multiply
    12,224.40x = 16,878.96 × 10,749.84
  4. Step 4: Simplify right side
    12,224.40x = 181,446,119.37
  5. Step 5: Solve for x
    x = 181,446,119.37/12,224.40
  6. Step 6: Final answer
    x = 14,842.95

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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.