Home / 8,819.49-12,171.47-6,165.93

Finding the Fourth Proportional to 8,819.49, 12,171.47 and 6,165.93

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Solution

The fourth proportional to 8,819.49, 12,171.47 and 6,165.93 is: 8,509.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,819.49 : 12,171.47 = 6,165.93 : x
  2. Step 2: Convert to fraction form
    8,819.49/12,171.47 = 6,165.93/x
  3. Step 3: Cross multiply
    8,819.49x = 12,171.47 × 6,165.93
  4. Step 4: Simplify right side
    8,819.49x = 75,048,432.02
  5. Step 5: Solve for x
    x = 75,048,432.02/8,819.49
  6. Step 6: Final answer
    x = 8,509.38

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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.