Home / 18,506.26-25,538.79-10,122.76

Finding the Fourth Proportional to 18,506.26, 25,538.79 and 10,122.76

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Solution

The fourth proportional to 18,506.26, 25,538.79 and 10,122.76 is: 13,969.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,506.26 : 25,538.79 = 10,122.76 : x
  2. Step 2: Convert to fraction form
    18,506.26/25,538.79 = 10,122.76/x
  3. Step 3: Cross multiply
    18,506.26x = 25,538.79 × 10,122.76
  4. Step 4: Simplify right side
    18,506.26x = 258,523,041.86
  5. Step 5: Solve for x
    x = 258,523,041.86/18,506.26
  6. Step 6: Final answer
    x = 13,969.49

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Half scale
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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.