Home / 20,813.08-31,214.94-6,018.70

Finding the Fourth Proportional to 20,813.08, 31,214.94 and 6,018.70

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Solution

The fourth proportional to 20,813.08, 31,214.94 and 6,018.70 is: 9,026.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,813.08 : 31,214.94 = 6,018.70 : x
  2. Step 2: Convert to fraction form
    20,813.08/31,214.94 = 6,018.70/x
  3. Step 3: Cross multiply
    20,813.08x = 31,214.94 × 6,018.70
  4. Step 4: Simplify right side
    20,813.08x = 187,873,359.38
  5. Step 5: Solve for x
    x = 187,873,359.38/20,813.08
  6. Step 6: Final answer
    x = 9,026.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.