Home / 18,656.14-25,745.40-10,272.64

Finding the Fourth Proportional to 18,656.14, 25,745.40 and 10,272.64

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Solution

The fourth proportional to 18,656.14, 25,745.40 and 10,272.64 is: 14,176.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,656.14 : 25,745.40 = 10,272.64 : x
  2. Step 2: Convert to fraction form
    18,656.14/25,745.40 = 10,272.64/x
  3. Step 3: Cross multiply
    18,656.14x = 25,745.40 × 10,272.64
  4. Step 4: Simplify right side
    18,656.14x = 264,473,225.86
  5. Step 5: Solve for x
    x = 264,473,225.86/18,656.14
  6. Step 6: Final answer
    x = 14,176.20

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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.