Home / 15,361.16-21,200.22-9,393.66

Finding the Fourth Proportional to 15,361.16, 21,200.22 and 9,393.66

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Solution

The fourth proportional to 15,361.16, 21,200.22 and 9,393.66 is: 12,964.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,361.16 : 21,200.22 = 9,393.66 : x
  2. Step 2: Convert to fraction form
    15,361.16/21,200.22 = 9,393.66/x
  3. Step 3: Cross multiply
    15,361.16x = 21,200.22 × 9,393.66
  4. Step 4: Simplify right side
    15,361.16x = 199,147,658.61
  5. Step 5: Solve for x
    x = 199,147,658.61/15,361.16
  6. Step 6: Final answer
    x = 12,964.37

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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.