Home / 11,314.35-15,615.68-6,598.64

Finding the Fourth Proportional to 11,314.35, 15,615.68 and 6,598.64

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Solution

The fourth proportional to 11,314.35, 15,615.68 and 6,598.64 is: 9,107.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,314.35 : 15,615.68 = 6,598.64 : x
  2. Step 2: Convert to fraction form
    11,314.35/15,615.68 = 6,598.64/x
  3. Step 3: Cross multiply
    11,314.35x = 15,615.68 × 6,598.64
  4. Step 4: Simplify right side
    11,314.35x = 103,042,139.60
  5. Step 5: Solve for x
    x = 103,042,139.60/11,314.35
  6. Step 6: Final answer
    x = 9,107.21

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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.