Home / 19,686.50-29,529.34-6,538.98

Finding the Fourth Proportional to 19,686.50, 29,529.34 and 6,538.98

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Solution

The fourth proportional to 19,686.50, 29,529.34 and 6,538.98 is: 9,808.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,686.50 : 29,529.34 = 6,538.98 : x
  2. Step 2: Convert to fraction form
    19,686.50/29,529.34 = 6,538.98/x
  3. Step 3: Cross multiply
    19,686.50x = 29,529.34 × 6,538.98
  4. Step 4: Simplify right side
    19,686.50x = 193,091,747.33
  5. Step 5: Solve for x
    x = 193,091,747.33/19,686.50
  6. Step 6: Final answer
    x = 9,808.34

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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.