Home / 8,521.10-12,764.63-6,769.07

Finding the Fourth Proportional to 8,521.10, 12,764.63 and 6,769.07

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Solution

The fourth proportional to 8,521.10, 12,764.63 and 6,769.07 is: 10,140.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,521.10 : 12,764.63 = 6,769.07 : x
  2. Step 2: Convert to fraction form
    8,521.10/12,764.63 = 6,769.07/x
  3. Step 3: Cross multiply
    8,521.10x = 12,764.63 × 6,769.07
  4. Step 4: Simplify right side
    8,521.10x = 86,404,576.33
  5. Step 5: Solve for x
    x = 86,404,576.33/8,521.10
  6. Step 6: Final answer
    x = 10,140.08

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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.