Home / 9,621.39-14,420.29-5,464.90

Finding the Fourth Proportional to 9,621.39, 14,420.29 and 5,464.90

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Solution

The fourth proportional to 9,621.39, 14,420.29 and 5,464.90 is: 8,190.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,621.39 : 14,420.29 = 5,464.90 : x
  2. Step 2: Convert to fraction form
    9,621.39/14,420.29 = 5,464.90/x
  3. Step 3: Cross multiply
    9,621.39x = 14,420.29 × 5,464.90
  4. Step 4: Simplify right side
    9,621.39x = 78,805,370.72
  5. Step 5: Solve for x
    x = 78,805,370.72/9,621.39
  6. Step 6: Final answer
    x = 8,190.64

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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.