Home / 18,346.71-25,319.02-10,388.73

Finding the Fourth Proportional to 18,346.71, 25,319.02 and 10,388.73

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Solution

The fourth proportional to 18,346.71, 25,319.02 and 10,388.73 is: 14,336.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,346.71 : 25,319.02 = 10,388.73 : x
  2. Step 2: Convert to fraction form
    18,346.71/25,319.02 = 10,388.73/x
  3. Step 3: Cross multiply
    18,346.71x = 25,319.02 × 10,388.73
  4. Step 4: Simplify right side
    18,346.71x = 263,032,462.64
  5. Step 5: Solve for x
    x = 263,032,462.64/18,346.71
  6. Step 6: Final answer
    x = 14,336.76

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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.