Home / 9,619.20-14,420.28-5,179.23

Finding the Fourth Proportional to 9,619.20, 14,420.28 and 5,179.23

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Solution

The fourth proportional to 9,619.20, 14,420.28 and 5,179.23 is: 7,764.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,619.20 : 14,420.28 = 5,179.23 : x
  2. Step 2: Convert to fraction form
    9,619.20/14,420.28 = 5,179.23/x
  3. Step 3: Cross multiply
    9,619.20x = 14,420.28 × 5,179.23
  4. Step 4: Simplify right side
    9,619.20x = 74,685,946.78
  5. Step 5: Solve for x
    x = 74,685,946.78/9,619.20
  6. Step 6: Final answer
    x = 7,764.26

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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.