Home / 12,948.80-19,390.26-8,552.84

Finding the Fourth Proportional to 12,948.80, 19,390.26 and 8,552.84

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Solution

The fourth proportional to 12,948.80, 19,390.26 and 8,552.84 is: 12,807.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,948.80 : 19,390.26 = 8,552.84 : x
  2. Step 2: Convert to fraction form
    12,948.80/19,390.26 = 8,552.84/x
  3. Step 3: Cross multiply
    12,948.80x = 19,390.26 × 8,552.84
  4. Step 4: Simplify right side
    12,948.80x = 165,841,791.34
  5. Step 5: Solve for x
    x = 165,841,791.34/12,948.80
  6. Step 6: Final answer
    x = 12,807.50

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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.