Home / 11,217.40-15,475.50-6,741.40

Finding the Fourth Proportional to 11,217.40, 15,475.50 and 6,741.40

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Solution

The fourth proportional to 11,217.40, 15,475.50 and 6,741.40 is: 9,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,217.40 : 15,475.50 = 6,741.40 : x
  2. Step 2: Convert to fraction form
    11,217.40/15,475.50 = 6,741.40/x
  3. Step 3: Cross multiply
    11,217.40x = 15,475.50 × 6,741.40
  4. Step 4: Simplify right side
    11,217.40x = 104,326,535.70
  5. Step 5: Solve for x
    x = 104,326,535.70/11,217.40
  6. Step 6: Final answer
    x = 9,300.42

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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.