Home / 18,336.60-25,304.91-10,378.83

Finding the Fourth Proportional to 18,336.60, 25,304.91 and 10,378.83

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Solution

The fourth proportional to 18,336.60, 25,304.91 and 10,378.83 is: 14,323.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,336.60 : 25,304.91 = 10,378.83 : x
  2. Step 2: Convert to fraction form
    18,336.60/25,304.91 = 10,378.83/x
  3. Step 3: Cross multiply
    18,336.60x = 25,304.91 × 10,378.83
  4. Step 4: Simplify right side
    18,336.60x = 262,635,359.06
  5. Step 5: Solve for x
    x = 262,635,359.06/18,336.60
  6. Step 6: Final answer
    x = 14,323.01

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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.