Home / 16,365.56-22,586.58-9,990.82

Finding the Fourth Proportional to 16,365.56, 22,586.58 and 9,990.82

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Solution

The fourth proportional to 16,365.56, 22,586.58 and 9,990.82 is: 13,788.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,365.56 : 22,586.58 = 9,990.82 : x
  2. Step 2: Convert to fraction form
    16,365.56/22,586.58 = 9,990.82/x
  3. Step 3: Cross multiply
    16,365.56x = 22,586.58 × 9,990.82
  4. Step 4: Simplify right side
    16,365.56x = 225,658,342.26
  5. Step 5: Solve for x
    x = 225,658,342.26/16,365.56
  6. Step 6: Final answer
    x = 13,788.61

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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.