Home / 18,558.04-27,847.98-6,879.40

Finding the Fourth Proportional to 18,558.04, 27,847.98 and 6,879.40

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Solution

The fourth proportional to 18,558.04, 27,847.98 and 6,879.40 is: 10,323.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,558.04 : 27,847.98 = 6,879.40 : x
  2. Step 2: Convert to fraction form
    18,558.04/27,847.98 = 6,879.40/x
  3. Step 3: Cross multiply
    18,558.04x = 27,847.98 × 6,879.40
  4. Step 4: Simplify right side
    18,558.04x = 191,577,393.61
  5. Step 5: Solve for x
    x = 191,577,393.61/18,558.04
  6. Step 6: Final answer
    x = 10,323.15

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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.