Home / 22,354.32-30,849.54-12,283.02

Finding the Fourth Proportional to 22,354.32, 30,849.54 and 12,283.02

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Solution

The fourth proportional to 22,354.32, 30,849.54 and 12,283.02 is: 16,950.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,354.32 : 30,849.54 = 12,283.02 : x
  2. Step 2: Convert to fraction form
    22,354.32/30,849.54 = 12,283.02/x
  3. Step 3: Cross multiply
    22,354.32x = 30,849.54 × 12,283.02
  4. Step 4: Simplify right side
    22,354.32x = 378,925,516.81
  5. Step 5: Solve for x
    x = 378,925,516.81/22,354.32
  6. Step 6: Final answer
    x = 16,950.89

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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.