Home / 9,366.56-12,925.96-5,174.80

Finding the Fourth Proportional to 9,366.56, 12,925.96 and 5,174.80

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Solution

The fourth proportional to 9,366.56, 12,925.96 and 5,174.80 is: 7,141.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,366.56 : 12,925.96 = 5,174.80 : x
  2. Step 2: Convert to fraction form
    9,366.56/12,925.96 = 5,174.80/x
  3. Step 3: Cross multiply
    9,366.56x = 12,925.96 × 5,174.80
  4. Step 4: Simplify right side
    9,366.56x = 66,889,257.81
  5. Step 5: Solve for x
    x = 66,889,257.81/9,366.56
  6. Step 6: Final answer
    x = 7,141.28

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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.