Home / 16,219.56-22,371.54-15,677.64

Finding the Fourth Proportional to 16,219.56, 22,371.54 and 15,677.64

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Solution

The fourth proportional to 16,219.56, 22,371.54 and 15,677.64 is: 21,624.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,219.56 : 22,371.54 = 15,677.64 : x
  2. Step 2: Convert to fraction form
    16,219.56/22,371.54 = 15,677.64/x
  3. Step 3: Cross multiply
    16,219.56x = 22,371.54 × 15,677.64
  4. Step 4: Simplify right side
    16,219.56x = 350,732,950.37
  5. Step 5: Solve for x
    x = 350,732,950.37/16,219.56
  6. Step 6: Final answer
    x = 21,624.07

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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.