Home / 8,283.06-12,429.45-6,650.10

Finding the Fourth Proportional to 8,283.06, 12,429.45 and 6,650.10

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Solution

The fourth proportional to 8,283.06, 12,429.45 and 6,650.10 is: 9,979.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,283.06 : 12,429.45 = 6,650.10 : x
  2. Step 2: Convert to fraction form
    8,283.06/12,429.45 = 6,650.10/x
  3. Step 3: Cross multiply
    8,283.06x = 12,429.45 × 6,650.10
  4. Step 4: Simplify right side
    8,283.06x = 82,657,085.45
  5. Step 5: Solve for x
    x = 82,657,085.45/8,283.06
  6. Step 6: Final answer
    x = 9,979.05

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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.