Home / 16,681.89-23,020.98-9,609.66

Finding the Fourth Proportional to 16,681.89, 23,020.98 and 9,609.66

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Solution

The fourth proportional to 16,681.89, 23,020.98 and 9,609.66 is: 13,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,681.89 : 23,020.98 = 9,609.66 : x
  2. Step 2: Convert to fraction form
    16,681.89/23,020.98 = 9,609.66/x
  3. Step 3: Cross multiply
    16,681.89x = 23,020.98 × 9,609.66
  4. Step 4: Simplify right side
    16,681.89x = 221,223,790.67
  5. Step 5: Solve for x
    x = 221,223,790.67/16,681.89
  6. Step 6: Final answer
    x = 13,261.31

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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.