Home / 12,749.67-19,126.94-4,957.88

Finding the Fourth Proportional to 12,749.67, 19,126.94 and 4,957.88

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Solution

The fourth proportional to 12,749.67, 19,126.94 and 4,957.88 is: 7,437.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,749.67 : 19,126.94 = 4,957.88 : x
  2. Step 2: Convert to fraction form
    12,749.67/19,126.94 = 4,957.88/x
  3. Step 3: Cross multiply
    12,749.67x = 19,126.94 × 4,957.88
  4. Step 4: Simplify right side
    12,749.67x = 94,828,952.86
  5. Step 5: Solve for x
    x = 94,828,952.86/12,749.67
  6. Step 6: Final answer
    x = 7,437.76

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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.