Home / 8,464.12-12,754.38-7,015.87

Finding the Fourth Proportional to 8,464.12, 12,754.38 and 7,015.87

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Solution

The fourth proportional to 8,464.12, 12,754.38 and 7,015.87 is: 10,572.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,464.12 : 12,754.38 = 7,015.87 : x
  2. Step 2: Convert to fraction form
    8,464.12/12,754.38 = 7,015.87/x
  3. Step 3: Cross multiply
    8,464.12x = 12,754.38 × 7,015.87
  4. Step 4: Simplify right side
    8,464.12x = 89,483,072.01
  5. Step 5: Solve for x
    x = 89,483,072.01/8,464.12
  6. Step 6: Final answer
    x = 10,572.05

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.