Home / 16,141.05-22,272.57-9,421.81

Finding the Fourth Proportional to 16,141.05, 22,272.57 and 9,421.81

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Solution

The fourth proportional to 16,141.05, 22,272.57 and 9,421.81 is: 13,000.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,141.05 : 22,272.57 = 9,421.81 : x
  2. Step 2: Convert to fraction form
    16,141.05/22,272.57 = 9,421.81/x
  3. Step 3: Cross multiply
    16,141.05x = 22,272.57 × 9,421.81
  4. Step 4: Simplify right side
    16,141.05x = 209,847,922.75
  5. Step 5: Solve for x
    x = 209,847,922.75/16,141.05
  6. Step 6: Final answer
    x = 13,000.89

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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.