Home / 23,002.07-31,742.12-12,930.93

Finding the Fourth Proportional to 23,002.07, 31,742.12 and 12,930.93

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Solution

The fourth proportional to 23,002.07, 31,742.12 and 12,930.93 is: 17,844.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,002.07 : 31,742.12 = 12,930.93 : x
  2. Step 2: Convert to fraction form
    23,002.07/31,742.12 = 12,930.93/x
  3. Step 3: Cross multiply
    23,002.07x = 31,742.12 × 12,930.93
  4. Step 4: Simplify right side
    23,002.07x = 410,455,067.12
  5. Step 5: Solve for x
    x = 410,455,067.12/23,002.07
  6. Step 6: Final answer
    x = 17,844.27

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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.