Home / 18,643.39-25,722.09-10,575.72

Finding the Fourth Proportional to 18,643.39, 25,722.09 and 10,575.72

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Solution

The fourth proportional to 18,643.39, 25,722.09 and 10,575.72 is: 14,591.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,643.39 : 25,722.09 = 10,575.72 : x
  2. Step 2: Convert to fraction form
    18,643.39/25,722.09 = 10,575.72/x
  3. Step 3: Cross multiply
    18,643.39x = 25,722.09 × 10,575.72
  4. Step 4: Simplify right side
    18,643.39x = 272,029,485.54
  5. Step 5: Solve for x
    x = 272,029,485.54/18,643.39
  6. Step 6: Final answer
    x = 14,591.20

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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.