Home / 9,523.80-13,142.84-5,216.86

Finding the Fourth Proportional to 9,523.80, 13,142.84 and 5,216.86

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Solution

The fourth proportional to 9,523.80, 13,142.84 and 5,216.86 is: 7,199.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,523.80 : 13,142.84 = 5,216.86 : x
  2. Step 2: Convert to fraction form
    9,523.80/13,142.84 = 5,216.86/x
  3. Step 3: Cross multiply
    9,523.80x = 13,142.84 × 5,216.86
  4. Step 4: Simplify right side
    9,523.80x = 68,564,356.28
  5. Step 5: Solve for x
    x = 68,564,356.28/9,523.80
  6. Step 6: Final answer
    x = 7,199.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.