Home / 9,153.60-12,631.14-5,175.06

Finding the Fourth Proportional to 9,153.60, 12,631.14 and 5,175.06

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Solution

The fourth proportional to 9,153.60, 12,631.14 and 5,175.06 is: 7,141.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,153.60 : 12,631.14 = 5,175.06 : x
  2. Step 2: Convert to fraction form
    9,153.60/12,631.14 = 5,175.06/x
  3. Step 3: Cross multiply
    9,153.60x = 12,631.14 × 5,175.06
  4. Step 4: Simplify right side
    9,153.60x = 65,366,907.37
  5. Step 5: Solve for x
    x = 65,366,907.37/9,153.60
  6. Step 6: Final answer
    x = 7,141.11

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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.