Home / 19,663.64-29,495.15-7,183.61

Finding the Fourth Proportional to 19,663.64, 29,495.15 and 7,183.61

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Solution

The fourth proportional to 19,663.64, 29,495.15 and 7,183.61 is: 10,775.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,663.64 : 29,495.15 = 7,183.61 : x
  2. Step 2: Convert to fraction form
    19,663.64/29,495.15 = 7,183.61/x
  3. Step 3: Cross multiply
    19,663.64x = 29,495.15 × 7,183.61
  4. Step 4: Simplify right side
    19,663.64x = 211,881,618.57
  5. Step 5: Solve for x
    x = 211,881,618.57/19,663.64
  6. Step 6: Final answer
    x = 10,775.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.