Home / 12,567.50-17,343.37-6,902.78

Finding the Fourth Proportional to 12,567.50, 17,343.37 and 6,902.78

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Solution

The fourth proportional to 12,567.50, 17,343.37 and 6,902.78 is: 9,525.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,567.50 : 17,343.37 = 6,902.78 : x
  2. Step 2: Convert to fraction form
    12,567.50/17,343.37 = 6,902.78/x
  3. Step 3: Cross multiply
    12,567.50x = 17,343.37 × 6,902.78
  4. Step 4: Simplify right side
    12,567.50x = 119,717,467.57
  5. Step 5: Solve for x
    x = 119,717,467.57/12,567.50
  6. Step 6: Final answer
    x = 9,525.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.