Home / 9,535.70-13,159.22-5,343.86

Finding the Fourth Proportional to 9,535.70, 13,159.22 and 5,343.86

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Solution

The fourth proportional to 9,535.70, 13,159.22 and 5,343.86 is: 7,374.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,535.70 : 13,159.22 = 5,343.86 : x
  2. Step 2: Convert to fraction form
    9,535.70/13,159.22 = 5,343.86/x
  3. Step 3: Cross multiply
    9,535.70x = 13,159.22 × 5,343.86
  4. Step 4: Simplify right side
    9,535.70x = 70,321,029.39
  5. Step 5: Solve for x
    x = 70,321,029.39/9,535.70
  6. Step 6: Final answer
    x = 7,374.50

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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.