Home / 12,740.40-19,113.12-4,950

Finding the Fourth Proportional to 12,740.40, 19,113.12 and 4,950

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Solution

The fourth proportional to 12,740.40, 19,113.12 and 4,950 is: 7,425.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,740.40 : 19,113.12 = 4,950 : x
  2. Step 2: Convert to fraction form
    12,740.40/19,113.12 = 4,950/x
  3. Step 3: Cross multiply
    12,740.40x = 19,113.12 × 4,950
  4. Step 4: Simplify right side
    12,740.40x = 94,609,944
  5. Step 5: Solve for x
    x = 94,609,944/12,740.40
  6. Step 6: Final answer
    x = 7,425.98

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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.