Home / 9,764.20-14,646.30-9,418.60

Finding the Fourth Proportional to 9,764.20, 14,646.30 and 9,418.60

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Solution

The fourth proportional to 9,764.20, 14,646.30 and 9,418.60 is: 14,127.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,764.20 : 14,646.30 = 9,418.60 : x
  2. Step 2: Convert to fraction form
    9,764.20/14,646.30 = 9,418.60/x
  3. Step 3: Cross multiply
    9,764.20x = 14,646.30 × 9,418.60
  4. Step 4: Simplify right side
    9,764.20x = 137,947,641.18
  5. Step 5: Solve for x
    x = 137,947,641.18/9,764.20
  6. Step 6: Final answer
    x = 14,127.90

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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.