Home / 15,878.08-23,811.56-6,515.44

Finding the Fourth Proportional to 15,878.08, 23,811.56 and 6,515.44

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Solution

The fourth proportional to 15,878.08, 23,811.56 and 6,515.44 is: 9,770.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878.08 : 23,811.56 = 6,515.44 : x
  2. Step 2: Convert to fraction form
    15,878.08/23,811.56 = 6,515.44/x
  3. Step 3: Cross multiply
    15,878.08x = 23,811.56 × 6,515.44
  4. Step 4: Simplify right side
    15,878.08x = 155,142,790.49
  5. Step 5: Solve for x
    x = 155,142,790.49/15,878.08
  6. Step 6: Final answer
    x = 9,770.88

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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.