Home / 21,956.08-30,299.44-12,524.40

Finding the Fourth Proportional to 21,956.08, 30,299.44 and 12,524.40

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Solution

The fourth proportional to 21,956.08, 30,299.44 and 12,524.40 is: 17,283.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,956.08 : 30,299.44 = 12,524.40 : x
  2. Step 2: Convert to fraction form
    21,956.08/30,299.44 = 12,524.40/x
  3. Step 3: Cross multiply
    21,956.08x = 30,299.44 × 12,524.40
  4. Step 4: Simplify right side
    21,956.08x = 379,482,306.34
  5. Step 5: Solve for x
    x = 379,482,306.34/21,956.08
  6. Step 6: Final answer
    x = 17,283.70

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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.