Home / 16,385.28-22,610.34-9,214.80

Finding the Fourth Proportional to 16,385.28, 22,610.34 and 9,214.80

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Solution

The fourth proportional to 16,385.28, 22,610.34 and 9,214.80 is: 12,715.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,385.28 : 22,610.34 = 9,214.80 : x
  2. Step 2: Convert to fraction form
    16,385.28/22,610.34 = 9,214.80/x
  3. Step 3: Cross multiply
    16,385.28x = 22,610.34 × 9,214.80
  4. Step 4: Simplify right side
    16,385.28x = 208,349,761.03
  5. Step 5: Solve for x
    x = 208,349,761.03/16,385.28
  6. Step 6: Final answer
    x = 12,715.67

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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.