Home / 20,349.02-30,511.76-6,305.31

Finding the Fourth Proportional to 20,349.02, 30,511.76 and 6,305.31

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Solution

The fourth proportional to 20,349.02, 30,511.76 and 6,305.31 is: 9,454.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,349.02 : 30,511.76 = 6,305.31 : x
  2. Step 2: Convert to fraction form
    20,349.02/30,511.76 = 6,305.31/x
  3. Step 3: Cross multiply
    20,349.02x = 30,511.76 × 6,305.31
  4. Step 4: Simplify right side
    20,349.02x = 192,386,073.92
  5. Step 5: Solve for x
    x = 192,386,073.92/20,349.02
  6. Step 6: Final answer
    x = 9,454.32

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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.