Home / 20,262.34-27,962.06-11,309.84

Finding the Fourth Proportional to 20,262.34, 27,962.06 and 11,309.84

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Solution

The fourth proportional to 20,262.34, 27,962.06 and 11,309.84 is: 15,607.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,262.34 : 27,962.06 = 11,309.84 : x
  2. Step 2: Convert to fraction form
    20,262.34/27,962.06 = 11,309.84/x
  3. Step 3: Cross multiply
    20,262.34x = 27,962.06 × 11,309.84
  4. Step 4: Simplify right side
    20,262.34x = 316,246,228.31
  5. Step 5: Solve for x
    x = 316,246,228.31/20,262.34
  6. Step 6: Final answer
    x = 15,607.59

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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.