Home / 8,148.90-12,203.42-7,360.04

Finding the Fourth Proportional to 8,148.90, 12,203.42 and 7,360.04

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Solution

The fourth proportional to 8,148.90, 12,203.42 and 7,360.04 is: 11,022.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,148.90 : 12,203.42 = 7,360.04 : x
  2. Step 2: Convert to fraction form
    8,148.90/12,203.42 = 7,360.04/x
  3. Step 3: Cross multiply
    8,148.90x = 12,203.42 × 7,360.04
  4. Step 4: Simplify right side
    8,148.90x = 89,817,659.34
  5. Step 5: Solve for x
    x = 89,817,659.34/8,148.90
  6. Step 6: Final answer
    x = 11,022.06

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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.