Home / 9,152.65-12,631.44-5,174.47

Finding the Fourth Proportional to 9,152.65, 12,631.44 and 5,174.47

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Solution

The fourth proportional to 9,152.65, 12,631.44 and 5,174.47 is: 7,141.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,152.65 : 12,631.44 = 5,174.47 : x
  2. Step 2: Convert to fraction form
    9,152.65/12,631.44 = 5,174.47/x
  3. Step 3: Cross multiply
    9,152.65x = 12,631.44 × 5,174.47
  4. Step 4: Simplify right side
    9,152.65x = 65,361,007.34
  5. Step 5: Solve for x
    x = 65,361,007.34/9,152.65
  6. Step 6: Final answer
    x = 7,141.21

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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.