Home / 17,427.84-26,136.90-12,482.79

Finding the Fourth Proportional to 17,427.84, 26,136.90 and 12,482.79

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Solution

The fourth proportional to 17,427.84, 26,136.90 and 12,482.79 is: 18,720.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,427.84 : 26,136.90 = 12,482.79 : x
  2. Step 2: Convert to fraction form
    17,427.84/26,136.90 = 12,482.79/x
  3. Step 3: Cross multiply
    17,427.84x = 26,136.90 × 12,482.79
  4. Step 4: Simplify right side
    17,427.84x = 326,261,433.95
  5. Step 5: Solve for x
    x = 326,261,433.95/17,427.84
  6. Step 6: Final answer
    x = 18,720.70

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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.