Home / 12,482.26-18,715.63-4,160.12

Finding the Fourth Proportional to 12,482.26, 18,715.63 and 4,160.12

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Solution

The fourth proportional to 12,482.26, 18,715.63 and 4,160.12 is: 6,237.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,482.26 : 18,715.63 = 4,160.12 : x
  2. Step 2: Convert to fraction form
    12,482.26/18,715.63 = 4,160.12/x
  3. Step 3: Cross multiply
    12,482.26x = 18,715.63 × 4,160.12
  4. Step 4: Simplify right side
    12,482.26x = 77,859,266.68
  5. Step 5: Solve for x
    x = 77,859,266.68/12,482.26
  6. Step 6: Final answer
    x = 6,237.59

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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.