Home / 9,534.05-13,156.97-5,342.30

Finding the Fourth Proportional to 9,534.05, 13,156.97 and 5,342.30

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Solution

The fourth proportional to 9,534.05, 13,156.97 and 5,342.30 is: 7,372.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,534.05 : 13,156.97 = 5,342.30 : x
  2. Step 2: Convert to fraction form
    9,534.05/13,156.97 = 5,342.30/x
  3. Step 3: Cross multiply
    9,534.05x = 13,156.97 × 5,342.30
  4. Step 4: Simplify right side
    9,534.05x = 70,288,437.67
  5. Step 5: Solve for x
    x = 70,288,437.67/9,534.05
  6. Step 6: Final answer
    x = 7,372.36

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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.