Home / 13,177.49-19,760.76-4,857.98

Finding the Fourth Proportional to 13,177.49, 19,760.76 and 4,857.98

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Solution

The fourth proportional to 13,177.49, 19,760.76 and 4,857.98 is: 7,284.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,177.49 : 19,760.76 = 4,857.98 : x
  2. Step 2: Convert to fraction form
    13,177.49/19,760.76 = 4,857.98/x
  3. Step 3: Cross multiply
    13,177.49x = 19,760.76 × 4,857.98
  4. Step 4: Simplify right side
    13,177.49x = 95,997,278.06
  5. Step 5: Solve for x
    x = 95,997,278.06/13,177.49
  6. Step 6: Final answer
    x = 7,284.95

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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.