Home / 14,233.96-21,354.78-12,863.08

Finding the Fourth Proportional to 14,233.96, 21,354.78 and 12,863.08

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Solution

The fourth proportional to 14,233.96, 21,354.78 and 12,863.08 is: 19,298.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,233.96 : 21,354.78 = 12,863.08 : x
  2. Step 2: Convert to fraction form
    14,233.96/21,354.78 = 12,863.08/x
  3. Step 3: Cross multiply
    14,233.96x = 21,354.78 × 12,863.08
  4. Step 4: Simplify right side
    14,233.96x = 274,688,243.52
  5. Step 5: Solve for x
    x = 274,688,243.52/14,233.96
  6. Step 6: Final answer
    x = 19,298.09

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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.