Home / 10,140.56-15,193.41-9,113.36

Finding the Fourth Proportional to 10,140.56, 15,193.41 and 9,113.36

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Solution

The fourth proportional to 10,140.56, 15,193.41 and 9,113.36 is: 13,654.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,140.56 : 15,193.41 = 9,113.36 : x
  2. Step 2: Convert to fraction form
    10,140.56/15,193.41 = 9,113.36/x
  3. Step 3: Cross multiply
    10,140.56x = 15,193.41 × 9,113.36
  4. Step 4: Simplify right side
    10,140.56x = 138,463,014.96
  5. Step 5: Solve for x
    x = 138,463,014.96/10,140.56
  6. Step 6: Final answer
    x = 13,654.38

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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.