Home / 11,487.32-17,232.90-4,909.58

Finding the Fourth Proportional to 11,487.32, 17,232.90 and 4,909.58

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Solution

The fourth proportional to 11,487.32, 17,232.90 and 4,909.58 is: 7,365.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,487.32 : 17,232.90 = 4,909.58 : x
  2. Step 2: Convert to fraction form
    11,487.32/17,232.90 = 4,909.58/x
  3. Step 3: Cross multiply
    11,487.32x = 17,232.90 × 4,909.58
  4. Step 4: Simplify right side
    11,487.32x = 84,606,301.18
  5. Step 5: Solve for x
    x = 84,606,301.18/11,487.32
  6. Step 6: Final answer
    x = 7,365.19

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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.