Home / 16,381.23-22,605.60-9,667.29

Finding the Fourth Proportional to 16,381.23, 22,605.60 and 9,667.29

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Solution

The fourth proportional to 16,381.23, 22,605.60 and 9,667.29 is: 13,340.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,381.23 : 22,605.60 = 9,667.29 : x
  2. Step 2: Convert to fraction form
    16,381.23/22,605.60 = 9,667.29/x
  3. Step 3: Cross multiply
    16,381.23x = 22,605.60 × 9,667.29
  4. Step 4: Simplify right side
    16,381.23x = 218,534,890.82
  5. Step 5: Solve for x
    x = 218,534,890.82/16,381.23
  6. Step 6: Final answer
    x = 13,340.57

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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.