Home / 13,307.58-18,361.08-9,764.64

Finding the Fourth Proportional to 13,307.58, 18,361.08 and 9,764.64

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Solution

The fourth proportional to 13,307.58, 18,361.08 and 9,764.64 is: 13,472.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,307.58 : 18,361.08 = 9,764.64 : x
  2. Step 2: Convert to fraction form
    13,307.58/18,361.08 = 9,764.64/x
  3. Step 3: Cross multiply
    13,307.58x = 18,361.08 × 9,764.64
  4. Step 4: Simplify right side
    13,307.58x = 179,289,336.21
  5. Step 5: Solve for x
    x = 179,289,336.21/13,307.58
  6. Step 6: Final answer
    x = 13,472.72

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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.