Home / 19,655.04-27,123.60-11,270.88

Finding the Fourth Proportional to 19,655.04, 27,123.60 and 11,270.88

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Solution

The fourth proportional to 19,655.04, 27,123.60 and 11,270.88 is: 15,553.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,655.04 : 27,123.60 = 11,270.88 : x
  2. Step 2: Convert to fraction form
    19,655.04/27,123.60 = 11,270.88/x
  3. Step 3: Cross multiply
    19,655.04x = 27,123.60 × 11,270.88
  4. Step 4: Simplify right side
    19,655.04x = 305,706,840.77
  5. Step 5: Solve for x
    x = 305,706,840.77/19,655.04
  6. Step 6: Final answer
    x = 15,553.61

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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.