Home / 12,708.69-19,059.51-5,311.92

Finding the Fourth Proportional to 12,708.69, 19,059.51 and 5,311.92

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Solution

The fourth proportional to 12,708.69, 19,059.51 and 5,311.92 is: 7,966.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,708.69 : 19,059.51 = 5,311.92 : x
  2. Step 2: Convert to fraction form
    12,708.69/19,059.51 = 5,311.92/x
  3. Step 3: Cross multiply
    12,708.69x = 19,059.51 × 5,311.92
  4. Step 4: Simplify right side
    12,708.69x = 101,242,592.36
  5. Step 5: Solve for x
    x = 101,242,592.36/12,708.69
  6. Step 6: Final answer
    x = 7,966.41

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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.