Home / 12,675.63-19,000.68-5,284.18

Finding the Fourth Proportional to 12,675.63, 19,000.68 and 5,284.18

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Solution

The fourth proportional to 12,675.63, 19,000.68 and 5,284.18 is: 7,920.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,675.63 : 19,000.68 = 5,284.18 : x
  2. Step 2: Convert to fraction form
    12,675.63/19,000.68 = 5,284.18/x
  3. Step 3: Cross multiply
    12,675.63x = 19,000.68 × 5,284.18
  4. Step 4: Simplify right side
    12,675.63x = 100,403,013.24
  5. Step 5: Solve for x
    x = 100,403,013.24/12,675.63
  6. Step 6: Final answer
    x = 7,920.95

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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.