Home / 18,418.15-27,643.61-8,562.98

Finding the Fourth Proportional to 18,418.15, 27,643.61 and 8,562.98

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Solution

The fourth proportional to 18,418.15, 27,643.61 and 8,562.98 is: 12,852.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,418.15 : 27,643.61 = 8,562.98 : x
  2. Step 2: Convert to fraction form
    18,418.15/27,643.61 = 8,562.98/x
  3. Step 3: Cross multiply
    18,418.15x = 27,643.61 × 8,562.98
  4. Step 4: Simplify right side
    18,418.15x = 236,711,541.34
  5. Step 5: Solve for x
    x = 236,711,541.34/18,418.15
  6. Step 6: Final answer
    x = 12,852.08

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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.