Home / 15,133.53-20,883.89-8,759.24

Finding the Fourth Proportional to 15,133.53, 20,883.89 and 8,759.24

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Solution

The fourth proportional to 15,133.53, 20,883.89 and 8,759.24 is: 12,087.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,133.53 : 20,883.89 = 8,759.24 : x
  2. Step 2: Convert to fraction form
    15,133.53/20,883.89 = 8,759.24/x
  3. Step 3: Cross multiply
    15,133.53x = 20,883.89 × 8,759.24
  4. Step 4: Simplify right side
    15,133.53x = 182,927,004.64
  5. Step 5: Solve for x
    x = 182,927,004.64/15,133.53
  6. Step 6: Final answer
    x = 12,087.53

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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.