Home / 12,926.82-19,390.30-4,607.16

Finding the Fourth Proportional to 12,926.82, 19,390.30 and 4,607.16

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Solution

The fourth proportional to 12,926.82, 19,390.30 and 4,607.16 is: 6,910.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,926.82 : 19,390.30 = 4,607.16 : x
  2. Step 2: Convert to fraction form
    12,926.82/19,390.30 = 4,607.16/x
  3. Step 3: Cross multiply
    12,926.82x = 19,390.30 × 4,607.16
  4. Step 4: Simplify right side
    12,926.82x = 89,334,214.55
  5. Step 5: Solve for x
    x = 89,334,214.55/12,926.82
  6. Step 6: Final answer
    x = 6,910.76

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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.