Home / 18,435.84-27,653.72-14,720.66

Finding the Fourth Proportional to 18,435.84, 27,653.72 and 14,720.66

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Solution

The fourth proportional to 18,435.84, 27,653.72 and 14,720.66 is: 22,080.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,435.84 : 27,653.72 = 14,720.66 : x
  2. Step 2: Convert to fraction form
    18,435.84/27,653.72 = 14,720.66/x
  3. Step 3: Cross multiply
    18,435.84x = 27,653.72 × 14,720.66
  4. Step 4: Simplify right side
    18,435.84x = 407,081,009.86
  5. Step 5: Solve for x
    x = 407,081,009.86/18,435.84
  6. Step 6: Final answer
    x = 22,080.96

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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.