Home / 20,619.18-30,931.02-6,575.94

Finding the Fourth Proportional to 20,619.18, 30,931.02 and 6,575.94

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Solution

The fourth proportional to 20,619.18, 30,931.02 and 6,575.94 is: 9,864.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,619.18 : 30,931.02 = 6,575.94 : x
  2. Step 2: Convert to fraction form
    20,619.18/30,931.02 = 6,575.94/x
  3. Step 3: Cross multiply
    20,619.18x = 30,931.02 × 6,575.94
  4. Step 4: Simplify right side
    20,619.18x = 203,400,531.66
  5. Step 5: Solve for x
    x = 203,400,531.66/20,619.18
  6. Step 6: Final answer
    x = 9,864.63

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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.