Home / 10,364.30-15,538.58-5,361.30

Finding the Fourth Proportional to 10,364.30, 15,538.58 and 5,361.30

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Solution

The fourth proportional to 10,364.30, 15,538.58 and 5,361.30 is: 8,037.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,364.30 : 15,538.58 = 5,361.30 : x
  2. Step 2: Convert to fraction form
    10,364.30/15,538.58 = 5,361.30/x
  3. Step 3: Cross multiply
    10,364.30x = 15,538.58 × 5,361.30
  4. Step 4: Simplify right side
    10,364.30x = 83,306,988.95
  5. Step 5: Solve for x
    x = 83,306,988.95/10,364.30
  6. Step 6: Final answer
    x = 8,037.88

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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.