Home / 18,891.82-26,070.28-12,923.27

Finding the Fourth Proportional to 18,891.82, 26,070.28 and 12,923.27

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Solution

The fourth proportional to 18,891.82, 26,070.28 and 12,923.27 is: 17,833.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,891.82 : 26,070.28 = 12,923.27 : x
  2. Step 2: Convert to fraction form
    18,891.82/26,070.28 = 12,923.27/x
  3. Step 3: Cross multiply
    18,891.82x = 26,070.28 × 12,923.27
  4. Step 4: Simplify right side
    18,891.82x = 336,913,267.42
  5. Step 5: Solve for x
    x = 336,913,267.42/18,891.82
  6. Step 6: Final answer
    x = 17,833.82

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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.