Home / 10,489.62-14,476.70-7,832.42

Finding the Fourth Proportional to 10,489.62, 14,476.70 and 7,832.42

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Solution

The fourth proportional to 10,489.62, 14,476.70 and 7,832.42 is: 10,809.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,489.62 : 14,476.70 = 7,832.42 : x
  2. Step 2: Convert to fraction form
    10,489.62/14,476.70 = 7,832.42/x
  3. Step 3: Cross multiply
    10,489.62x = 14,476.70 × 7,832.42
  4. Step 4: Simplify right side
    10,489.62x = 113,387,594.61
  5. Step 5: Solve for x
    x = 113,387,594.61/10,489.62
  6. Step 6: Final answer
    x = 10,809.50

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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.