Home / 11,241.48-15,475.14-9,660.36

Finding the Fourth Proportional to 11,241.48, 15,475.14 and 9,660.36

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Solution

The fourth proportional to 11,241.48, 15,475.14 and 9,660.36 is: 13,298.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,241.48 : 15,475.14 = 9,660.36 : x
  2. Step 2: Convert to fraction form
    11,241.48/15,475.14 = 9,660.36/x
  3. Step 3: Cross multiply
    11,241.48x = 15,475.14 × 9,660.36
  4. Step 4: Simplify right side
    11,241.48x = 149,495,423.45
  5. Step 5: Solve for x
    x = 149,495,423.45/11,241.48
  6. Step 6: Final answer
    x = 13,298.55

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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.