Home / 12,285.44-18,426.24-5,358.08

Finding the Fourth Proportional to 12,285.44, 18,426.24 and 5,358.08

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Solution

The fourth proportional to 12,285.44, 18,426.24 and 5,358.08 is: 8,036.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,285.44 : 18,426.24 = 5,358.08 : x
  2. Step 2: Convert to fraction form
    12,285.44/18,426.24 = 5,358.08/x
  3. Step 3: Cross multiply
    12,285.44x = 18,426.24 × 5,358.08
  4. Step 4: Simplify right side
    12,285.44x = 98,729,268.02
  5. Step 5: Solve for x
    x = 98,729,268.02/12,285.44
  6. Step 6: Final answer
    x = 8,036.28

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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.