Home / 16,817.45-23,210.81-9,747.96

Finding the Fourth Proportional to 16,817.45, 23,210.81 and 9,747.96

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Solution

The fourth proportional to 16,817.45, 23,210.81 and 9,747.96 is: 13,453.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.45 : 23,210.81 = 9,747.96 : x
  2. Step 2: Convert to fraction form
    16,817.45/23,210.81 = 9,747.96/x
  3. Step 3: Cross multiply
    16,817.45x = 23,210.81 × 9,747.96
  4. Step 4: Simplify right side
    16,817.45x = 226,257,998.71
  5. Step 5: Solve for x
    x = 226,257,998.71/16,817.45
  6. Step 6: Final answer
    x = 13,453.77

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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.