Home / 20,814.08-31,216.47-6,019.70

Finding the Fourth Proportional to 20,814.08, 31,216.47 and 6,019.70

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Solution

The fourth proportional to 20,814.08, 31,216.47 and 6,019.70 is: 9,028.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,814.08 : 31,216.47 = 6,019.70 : x
  2. Step 2: Convert to fraction form
    20,814.08/31,216.47 = 6,019.70/x
  3. Step 3: Cross multiply
    20,814.08x = 31,216.47 × 6,019.70
  4. Step 4: Simplify right side
    20,814.08x = 187,913,784.46
  5. Step 5: Solve for x
    x = 187,913,784.46/20,814.08
  6. Step 6: Final answer
    x = 9,028.21

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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.