Home / 15,706.80-21,673.56-9,333.66

Finding the Fourth Proportional to 15,706.80, 21,673.56 and 9,333.66

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Solution

The fourth proportional to 15,706.80, 21,673.56 and 9,333.66 is: 12,879.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,706.80 : 21,673.56 = 9,333.66 : x
  2. Step 2: Convert to fraction form
    15,706.80/21,673.56 = 9,333.66/x
  3. Step 3: Cross multiply
    15,706.80x = 21,673.56 × 9,333.66
  4. Step 4: Simplify right side
    15,706.80x = 202,293,562.51
  5. Step 5: Solve for x
    x = 202,293,562.51/15,706.80
  6. Step 6: Final answer
    x = 12,879.36

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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.