Home / 16,856.70-23,291.11-13,346.56

Finding the Fourth Proportional to 16,856.70, 23,291.11 and 13,346.56

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Solution

The fourth proportional to 16,856.70, 23,291.11 and 13,346.56 is: 18,441.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,856.70 : 23,291.11 = 13,346.56 : x
  2. Step 2: Convert to fraction form
    16,856.70/23,291.11 = 13,346.56/x
  3. Step 3: Cross multiply
    16,856.70x = 23,291.11 × 13,346.56
  4. Step 4: Simplify right side
    16,856.70x = 310,856,197.08
  5. Step 5: Solve for x
    x = 310,856,197.08/16,856.70
  6. Step 6: Final answer
    x = 18,441.11

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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.