Home / 10,123.96-13,977.56-6,352.30

Finding the Fourth Proportional to 10,123.96, 13,977.56 and 6,352.30

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Solution

The fourth proportional to 10,123.96, 13,977.56 and 6,352.30 is: 8,770.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,123.96 : 13,977.56 = 6,352.30 : x
  2. Step 2: Convert to fraction form
    10,123.96/13,977.56 = 6,352.30/x
  3. Step 3: Cross multiply
    10,123.96x = 13,977.56 × 6,352.30
  4. Step 4: Simplify right side
    10,123.96x = 88,789,654.39
  5. Step 5: Solve for x
    x = 88,789,654.39/10,123.96
  6. Step 6: Final answer
    x = 8,770.25

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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.