Home / 9,148.03-13,695.30-8,272.54

Finding the Fourth Proportional to 9,148.03, 13,695.30 and 8,272.54

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Solution

The fourth proportional to 9,148.03, 13,695.30 and 8,272.54 is: 12,384.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,148.03 : 13,695.30 = 8,272.54 : x
  2. Step 2: Convert to fraction form
    9,148.03/13,695.30 = 8,272.54/x
  3. Step 3: Cross multiply
    9,148.03x = 13,695.30 × 8,272.54
  4. Step 4: Simplify right side
    9,148.03x = 113,294,917.06
  5. Step 5: Solve for x
    x = 113,294,917.06/9,148.03
  6. Step 6: Final answer
    x = 12,384.62

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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.