Home / 8,999.03-12,420.87-6,132.50

Finding the Fourth Proportional to 8,999.03, 12,420.87 and 6,132.50

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Solution

The fourth proportional to 8,999.03, 12,420.87 and 6,132.50 is: 8,464.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,999.03 : 12,420.87 = 6,132.50 : x
  2. Step 2: Convert to fraction form
    8,999.03/12,420.87 = 6,132.50/x
  3. Step 3: Cross multiply
    8,999.03x = 12,420.87 × 6,132.50
  4. Step 4: Simplify right side
    8,999.03x = 76,170,923.17
  5. Step 5: Solve for x
    x = 76,170,923.17/8,999.03
  6. Step 6: Final answer
    x = 8,464.35

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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.