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Finding the Fourth Proportional to 15,878.08, 23,811.04 and 5,487.04

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Solution

The fourth proportional to 15,878.08, 23,811.04 and 5,487.04 is: 8,228.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,878.08 : 23,811.04 = 5,487.04 : x
  2. Step 2: Convert to fraction form
    15,878.08/23,811.04 = 5,487.04/x
  3. Step 3: Cross multiply
    15,878.08x = 23,811.04 × 5,487.04
  4. Step 4: Simplify right side
    15,878.08x = 130,652,128.92
  5. Step 5: Solve for x
    x = 130,652,128.92/15,878.08
  6. Step 6: Final answer
    x = 8,228.46

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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.