Home / 15,647.06-21,594.75-8,933.66

Finding the Fourth Proportional to 15,647.06, 21,594.75 and 8,933.66

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Solution

The fourth proportional to 15,647.06, 21,594.75 and 8,933.66 is: 12,329.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,647.06 : 21,594.75 = 8,933.66 : x
  2. Step 2: Convert to fraction form
    15,647.06/21,594.75 = 8,933.66/x
  3. Step 3: Cross multiply
    15,647.06x = 21,594.75 × 8,933.66
  4. Step 4: Simplify right side
    15,647.06x = 192,920,046.31
  5. Step 5: Solve for x
    x = 192,920,046.31/15,647.06
  6. Step 6: Final answer
    x = 12,329.48

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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.