Home / 13,439.76-18,548.04-7,852.56

Finding the Fourth Proportional to 13,439.76, 18,548.04 and 7,852.56

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Solution

The fourth proportional to 13,439.76, 18,548.04 and 7,852.56 is: 10,837.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,439.76 : 18,548.04 = 7,852.56 : x
  2. Step 2: Convert to fraction form
    13,439.76/18,548.04 = 7,852.56/x
  3. Step 3: Cross multiply
    13,439.76x = 18,548.04 × 7,852.56
  4. Step 4: Simplify right side
    13,439.76x = 145,649,596.98
  5. Step 5: Solve for x
    x = 145,649,596.98/13,439.76
  6. Step 6: Final answer
    x = 10,837.22

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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.