Home / 15,919.87-23,878.59-6,557.49

Finding the Fourth Proportional to 15,919.87, 23,878.59 and 6,557.49

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Solution

The fourth proportional to 15,919.87, 23,878.59 and 6,557.49 is: 9,835.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,919.87 : 23,878.59 = 6,557.49 : x
  2. Step 2: Convert to fraction form
    15,919.87/23,878.59 = 6,557.49/x
  3. Step 3: Cross multiply
    15,919.87x = 23,878.59 × 6,557.49
  4. Step 4: Simplify right side
    15,919.87x = 156,583,615.14
  5. Step 5: Solve for x
    x = 156,583,615.14/15,919.87
  6. Step 6: Final answer
    x = 9,835.73

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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.