Home / 18,111.12-27,166.68-14,210.16

Finding the Fourth Proportional to 18,111.12, 27,166.68 and 14,210.16

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Solution

The fourth proportional to 18,111.12, 27,166.68 and 14,210.16 is: 21,315.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,111.12 : 27,166.68 = 14,210.16 : x
  2. Step 2: Convert to fraction form
    18,111.12/27,166.68 = 14,210.16/x
  3. Step 3: Cross multiply
    18,111.12x = 27,166.68 × 14,210.16
  4. Step 4: Simplify right side
    18,111.12x = 386,042,869.47
  5. Step 5: Solve for x
    x = 386,042,869.47/18,111.12
  6. Step 6: Final answer
    x = 21,315.24

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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.