Home / 9,542.15-13,167.99-5,350.40

Finding the Fourth Proportional to 9,542.15, 13,167.99 and 5,350.40

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Solution

The fourth proportional to 9,542.15, 13,167.99 and 5,350.40 is: 7,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,542.15 : 13,167.99 = 5,350.40 : x
  2. Step 2: Convert to fraction form
    9,542.15/13,167.99 = 5,350.40/x
  3. Step 3: Cross multiply
    9,542.15x = 13,167.99 × 5,350.40
  4. Step 4: Simplify right side
    9,542.15x = 70,453,947.86
  5. Step 5: Solve for x
    x = 70,453,947.86/9,542.15
  6. Step 6: Final answer
    x = 7,383.45

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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.