Home / 12,410.04-18,621.46-5,489.40

Finding the Fourth Proportional to 12,410.04, 18,621.46 and 5,489.40

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Solution

The fourth proportional to 12,410.04, 18,621.46 and 5,489.40 is: 8,236.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,410.04 : 18,621.46 = 5,489.40 : x
  2. Step 2: Convert to fraction form
    12,410.04/18,621.46 = 5,489.40/x
  3. Step 3: Cross multiply
    12,410.04x = 18,621.46 × 5,489.40
  4. Step 4: Simplify right side
    12,410.04x = 102,220,642.52
  5. Step 5: Solve for x
    x = 102,220,642.52/12,410.04
  6. Step 6: Final answer
    x = 8,236.93

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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.