Home / 18,848.31-28,227.30-10,507.60

Finding the Fourth Proportional to 18,848.31, 28,227.30 and 10,507.60

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Solution

The fourth proportional to 18,848.31, 28,227.30 and 10,507.60 is: 15,736.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,848.31 : 28,227.30 = 10,507.60 : x
  2. Step 2: Convert to fraction form
    18,848.31/28,227.30 = 10,507.60/x
  3. Step 3: Cross multiply
    18,848.31x = 28,227.30 × 10,507.60
  4. Step 4: Simplify right side
    18,848.31x = 296,601,177.48
  5. Step 5: Solve for x
    x = 296,601,177.48/18,848.31
  6. Step 6: Final answer
    x = 15,736.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.