Home / 16,817.80-23,206.50-9,742.76

Finding the Fourth Proportional to 16,817.80, 23,206.50 and 9,742.76

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Solution

The fourth proportional to 16,817.80, 23,206.50 and 9,742.76 is: 13,443.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,817.80 : 23,206.50 = 9,742.76 : x
  2. Step 2: Convert to fraction form
    16,817.80/23,206.50 = 9,742.76/x
  3. Step 3: Cross multiply
    16,817.80x = 23,206.50 × 9,742.76
  4. Step 4: Simplify right side
    16,817.80x = 226,095,359.94
  5. Step 5: Solve for x
    x = 226,095,359.94/16,817.80
  6. Step 6: Final answer
    x = 13,443.81

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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.