Home / 12,897.43-19,346.18-4,577.69

Finding the Fourth Proportional to 12,897.43, 19,346.18 and 4,577.69

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Solution

The fourth proportional to 12,897.43, 19,346.18 and 4,577.69 is: 6,866.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,897.43 : 19,346.18 = 4,577.69 : x
  2. Step 2: Convert to fraction form
    12,897.43/19,346.18 = 4,577.69/x
  3. Step 3: Cross multiply
    12,897.43x = 19,346.18 × 4,577.69
  4. Step 4: Simplify right side
    12,897.43x = 88,560,840.20
  5. Step 5: Solve for x
    x = 88,560,840.20/12,897.43
  6. Step 6: Final answer
    x = 6,866.55

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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.