Home / 18,456.26-25,468.74-10,389.44

Finding the Fourth Proportional to 18,456.26, 25,468.74 and 10,389.44

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Solution

The fourth proportional to 18,456.26, 25,468.74 and 10,389.44 is: 14,336.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,456.26 : 25,468.74 = 10,389.44 : x
  2. Step 2: Convert to fraction form
    18,456.26/25,468.74 = 10,389.44/x
  3. Step 3: Cross multiply
    18,456.26x = 25,468.74 × 10,389.44
  4. Step 4: Simplify right side
    18,456.26x = 264,605,946.11
  5. Step 5: Solve for x
    x = 264,605,946.11/18,456.26
  6. Step 6: Final answer
    x = 14,336.92

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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.