Home / 11,538.45-15,922.98-6,822.63

Finding the Fourth Proportional to 11,538.45, 15,922.98 and 6,822.63

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Solution

The fourth proportional to 11,538.45, 15,922.98 and 6,822.63 is: 9,415.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,538.45 : 15,922.98 = 6,822.63 : x
  2. Step 2: Convert to fraction form
    11,538.45/15,922.98 = 6,822.63/x
  3. Step 3: Cross multiply
    11,538.45x = 15,922.98 × 6,822.63
  4. Step 4: Simplify right side
    11,538.45x = 108,636,601.04
  5. Step 5: Solve for x
    x = 108,636,601.04/11,538.45
  6. Step 6: Final answer
    x = 9,415.18

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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.