Home / 11,352.89-15,666.86-6,636.26

Finding the Fourth Proportional to 11,352.89, 15,666.86 and 6,636.26

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Solution

The fourth proportional to 11,352.89, 15,666.86 and 6,636.26 is: 9,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,352.89 : 15,666.86 = 6,636.26 : x
  2. Step 2: Convert to fraction form
    11,352.89/15,666.86 = 6,636.26/x
  3. Step 3: Cross multiply
    11,352.89x = 15,666.86 × 6,636.26
  4. Step 4: Simplify right side
    11,352.89x = 103,969,294.60
  5. Step 5: Solve for x
    x = 103,969,294.60/11,352.89
  6. Step 6: Final answer
    x = 9,157.96

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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.