Home / 18,457.74-27,696.33-14,103.18

Finding the Fourth Proportional to 18,457.74, 27,696.33 and 14,103.18

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Solution

The fourth proportional to 18,457.74, 27,696.33 and 14,103.18 is: 21,162.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,457.74 : 27,696.33 = 14,103.18 : x
  2. Step 2: Convert to fraction form
    18,457.74/27,696.33 = 14,103.18/x
  3. Step 3: Cross multiply
    18,457.74x = 27,696.33 × 14,103.18
  4. Step 4: Simplify right side
    18,457.74x = 390,606,327.33
  5. Step 5: Solve for x
    x = 390,606,327.33/18,457.74
  6. Step 6: Final answer
    x = 21,162.20

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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.