Home / 13,342.34-18,412.82-7,967.93

Finding the Fourth Proportional to 13,342.34, 18,412.82 and 7,967.93

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Solution

The fourth proportional to 13,342.34, 18,412.82 and 7,967.93 is: 10,995.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,342.34 : 18,412.82 = 7,967.93 : x
  2. Step 2: Convert to fraction form
    13,342.34/18,412.82 = 7,967.93/x
  3. Step 3: Cross multiply
    13,342.34x = 18,412.82 × 7,967.93
  4. Step 4: Simplify right side
    13,342.34x = 146,711,928.96
  5. Step 5: Solve for x
    x = 146,711,928.96/13,342.34
  6. Step 6: Final answer
    x = 10,995.97

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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.