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Finding the Fourth Proportional to 18,367.13, 25,346.14 and 10,410.10

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Solution

The fourth proportional to 18,367.13, 25,346.14 and 10,410.10 is: 14,365.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,367.13 : 25,346.14 = 10,410.10 : x
  2. Step 2: Convert to fraction form
    18,367.13/25,346.14 = 10,410.10/x
  3. Step 3: Cross multiply
    18,367.13x = 25,346.14 × 10,410.10
  4. Step 4: Simplify right side
    18,367.13x = 263,855,852.01
  5. Step 5: Solve for x
    x = 263,855,852.01/18,367.13
  6. Step 6: Final answer
    x = 14,365.65

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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.