Home / 8,026.20-12,020.58-7,804.71

Finding the Fourth Proportional to 8,026.20, 12,020.58 and 7,804.71

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Solution

The fourth proportional to 8,026.20, 12,020.58 and 7,804.71 is: 11,688.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,026.20 : 12,020.58 = 7,804.71 : x
  2. Step 2: Convert to fraction form
    8,026.20/12,020.58 = 7,804.71/x
  3. Step 3: Cross multiply
    8,026.20x = 12,020.58 × 7,804.71
  4. Step 4: Simplify right side
    8,026.20x = 93,817,140.93
  5. Step 5: Solve for x
    x = 93,817,140.93/8,026.20
  6. Step 6: Final answer
    x = 11,688.86

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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.