Home / 12,515.04-18,761.04-4,717.92

Finding the Fourth Proportional to 12,515.04, 18,761.04 and 4,717.92

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Solution

The fourth proportional to 12,515.04, 18,761.04 and 4,717.92 is: 7,072.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,515.04 : 18,761.04 = 4,717.92 : x
  2. Step 2: Convert to fraction form
    12,515.04/18,761.04 = 4,717.92/x
  3. Step 3: Cross multiply
    12,515.04x = 18,761.04 × 4,717.92
  4. Step 4: Simplify right side
    12,515.04x = 88,513,085.84
  5. Step 5: Solve for x
    x = 88,513,085.84/12,515.04
  6. Step 6: Final answer
    x = 7,072.54

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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.