Home / 21,808.73-30,093.66-12,246.68

Finding the Fourth Proportional to 21,808.73, 30,093.66 and 12,246.68

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Solution

The fourth proportional to 21,808.73, 30,093.66 and 12,246.68 is: 16,899.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,808.73 : 30,093.66 = 12,246.68 : x
  2. Step 2: Convert to fraction form
    21,808.73/30,093.66 = 12,246.68/x
  3. Step 3: Cross multiply
    21,808.73x = 30,093.66 × 12,246.68
  4. Step 4: Simplify right side
    21,808.73x = 368,547,499.28
  5. Step 5: Solve for x
    x = 368,547,499.28/21,808.73
  6. Step 6: Final answer
    x = 16,899.08

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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.