Home / 16,823.40-23,217.24-9,555.72

Finding the Fourth Proportional to 16,823.40, 23,217.24 and 9,555.72

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Solution

The fourth proportional to 16,823.40, 23,217.24 and 9,555.72 is: 13,187.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,823.40 : 23,217.24 = 9,555.72 : x
  2. Step 2: Convert to fraction form
    16,823.40/23,217.24 = 9,555.72/x
  3. Step 3: Cross multiply
    16,823.40x = 23,217.24 × 9,555.72
  4. Step 4: Simplify right side
    16,823.40x = 221,857,444.61
  5. Step 5: Solve for x
    x = 221,857,444.61/16,823.40
  6. Step 6: Final answer
    x = 13,187.43

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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.