Home / 16,440.36-22,730.94-15,705.96

Finding the Fourth Proportional to 16,440.36, 22,730.94 and 15,705.96

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Solution

The fourth proportional to 16,440.36, 22,730.94 and 15,705.96 is: 21,715.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,440.36 : 22,730.94 = 15,705.96 : x
  2. Step 2: Convert to fraction form
    16,440.36/22,730.94 = 15,705.96/x
  3. Step 3: Cross multiply
    16,440.36x = 22,730.94 × 15,705.96
  4. Step 4: Simplify right side
    16,440.36x = 357,011,234.40
  5. Step 5: Solve for x
    x = 357,011,234.40/16,440.36
  6. Step 6: Final answer
    x = 21,715.54

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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.