Home / 8,621.57-12,918.83-5,994.18

Finding the Fourth Proportional to 8,621.57, 12,918.83 and 5,994.18

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Solution

The fourth proportional to 8,621.57, 12,918.83 and 5,994.18 is: 8,981.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,621.57 : 12,918.83 = 5,994.18 : x
  2. Step 2: Convert to fraction form
    8,621.57/12,918.83 = 5,994.18/x
  3. Step 3: Cross multiply
    8,621.57x = 12,918.83 × 5,994.18
  4. Step 4: Simplify right side
    8,621.57x = 77,437,762.44
  5. Step 5: Solve for x
    x = 77,437,762.44/8,621.57
  6. Step 6: Final answer
    x = 8,981.87

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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.