Home / 18,355.66-25,341.30-12,086.26

Finding the Fourth Proportional to 18,355.66, 25,341.30 and 12,086.26

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Solution

The fourth proportional to 18,355.66, 25,341.30 and 12,086.26 is: 16,685.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,355.66 : 25,341.30 = 12,086.26 : x
  2. Step 2: Convert to fraction form
    18,355.66/25,341.30 = 12,086.26/x
  3. Step 3: Cross multiply
    18,355.66x = 25,341.30 × 12,086.26
  4. Step 4: Simplify right side
    18,355.66x = 306,281,477.18
  5. Step 5: Solve for x
    x = 306,281,477.18/18,355.66
  6. Step 6: Final answer
    x = 16,685.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.