Home / 16,214.48-22,376.81-12,228.67

Finding the Fourth Proportional to 16,214.48, 22,376.81 and 12,228.67

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Solution

The fourth proportional to 16,214.48, 22,376.81 and 12,228.67 is: 16,876.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,214.48 : 22,376.81 = 12,228.67 : x
  2. Step 2: Convert to fraction form
    16,214.48/22,376.81 = 12,228.67/x
  3. Step 3: Cross multiply
    16,214.48x = 22,376.81 × 12,228.67
  4. Step 4: Simplify right side
    16,214.48x = 273,638,614.90
  5. Step 5: Solve for x
    x = 273,638,614.90/16,214.48
  6. Step 6: Final answer
    x = 16,876.19

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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.