Home / 10,393.04-15,589.38-2,997.20

Finding the Fourth Proportional to 10,393.04, 15,589.38 and 2,997.20

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Solution

The fourth proportional to 10,393.04, 15,589.38 and 2,997.20 is: 4,495.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,393.04 : 15,589.38 = 2,997.20 : x
  2. Step 2: Convert to fraction form
    10,393.04/15,589.38 = 2,997.20/x
  3. Step 3: Cross multiply
    10,393.04x = 15,589.38 × 2,997.20
  4. Step 4: Simplify right side
    10,393.04x = 46,724,489.74
  5. Step 5: Solve for x
    x = 46,724,489.74/10,393.04
  6. Step 6: Final answer
    x = 4,495.75

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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.