Home / 15,565.77-21,481.37-8,852.01

Finding the Fourth Proportional to 15,565.77, 21,481.37 and 8,852.01

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Solution

The fourth proportional to 15,565.77, 21,481.37 and 8,852.01 is: 12,216.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,565.77 : 21,481.37 = 8,852.01 : x
  2. Step 2: Convert to fraction form
    15,565.77/21,481.37 = 8,852.01/x
  3. Step 3: Cross multiply
    15,565.77x = 21,481.37 × 8,852.01
  4. Step 4: Simplify right side
    15,565.77x = 190,153,257.79
  5. Step 5: Solve for x
    x = 190,153,257.79/15,565.77
  6. Step 6: Final answer
    x = 12,216.12

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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.