Home / 9,537.20-13,161.30-5,345.36

Finding the Fourth Proportional to 9,537.20, 13,161.30 and 5,345.36

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Solution

The fourth proportional to 9,537.20, 13,161.30 and 5,345.36 is: 7,376.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,537.20 : 13,161.30 = 5,345.36 : x
  2. Step 2: Convert to fraction form
    9,537.20/13,161.30 = 5,345.36/x
  3. Step 3: Cross multiply
    9,537.20x = 13,161.30 × 5,345.36
  4. Step 4: Simplify right side
    9,537.20x = 70,351,886.57
  5. Step 5: Solve for x
    x = 70,351,886.57/9,537.20
  6. Step 6: Final answer
    x = 7,376.58

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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.