Home / 11,436.29-17,157.52-4,770.58

Finding the Fourth Proportional to 11,436.29, 17,157.52 and 4,770.58

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Solution

The fourth proportional to 11,436.29, 17,157.52 and 4,770.58 is: 7,157.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,436.29 : 17,157.52 = 4,770.58 : x
  2. Step 2: Convert to fraction form
    11,436.29/17,157.52 = 4,770.58/x
  3. Step 3: Cross multiply
    11,436.29x = 17,157.52 × 4,770.58
  4. Step 4: Simplify right side
    11,436.29x = 81,851,317.00
  5. Step 5: Solve for x
    x = 81,851,317.00/11,436.29
  6. Step 6: Final answer
    x = 7,157.16

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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.