Home / 19,708.36-29,562.80-6,560.78

Finding the Fourth Proportional to 19,708.36, 29,562.80 and 6,560.78

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Solution

The fourth proportional to 19,708.36, 29,562.80 and 6,560.78 is: 9,841.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,708.36 : 29,562.80 = 6,560.78 : x
  2. Step 2: Convert to fraction form
    19,708.36/29,562.80 = 6,560.78/x
  3. Step 3: Cross multiply
    19,708.36x = 29,562.80 × 6,560.78
  4. Step 4: Simplify right side
    19,708.36x = 193,955,026.98
  5. Step 5: Solve for x
    x = 193,955,026.98/19,708.36
  6. Step 6: Final answer
    x = 9,841.26

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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.