Home / 19,305.02-28,951.37-6,154.31

Finding the Fourth Proportional to 19,305.02, 28,951.37 and 6,154.31

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Solution

The fourth proportional to 19,305.02, 28,951.37 and 6,154.31 is: 9,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,305.02 : 28,951.37 = 6,154.31 : x
  2. Step 2: Convert to fraction form
    19,305.02/28,951.37 = 6,154.31/x
  3. Step 3: Cross multiply
    19,305.02x = 28,951.37 × 6,154.31
  4. Step 4: Simplify right side
    19,305.02x = 178,175,770.59
  5. Step 5: Solve for x
    x = 178,175,770.59/19,305.02
  6. Step 6: Final answer
    x = 9,229.50

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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.