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Finding the Fourth Proportional to 18,662.96, 25,750.40 and 10,594.82

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Solution

The fourth proportional to 18,662.96, 25,750.40 and 10,594.82 is: 14,618.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,662.96 : 25,750.40 = 10,594.82 : x
  2. Step 2: Convert to fraction form
    18,662.96/25,750.40 = 10,594.82/x
  3. Step 3: Cross multiply
    18,662.96x = 25,750.40 × 10,594.82
  4. Step 4: Simplify right side
    18,662.96x = 272,820,671.20
  5. Step 5: Solve for x
    x = 272,820,671.20/18,662.96
  6. Step 6: Final answer
    x = 14,618.30

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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.