Home / 9,192.72-12,690.36-5,658.96

Finding the Fourth Proportional to 9,192.72, 12,690.36 and 5,658.96

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Solution

The fourth proportional to 9,192.72, 12,690.36 and 5,658.96 is: 7,812.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,192.72 : 12,690.36 = 5,658.96 : x
  2. Step 2: Convert to fraction form
    9,192.72/12,690.36 = 5,658.96/x
  3. Step 3: Cross multiply
    9,192.72x = 12,690.36 × 5,658.96
  4. Step 4: Simplify right side
    9,192.72x = 71,814,239.63
  5. Step 5: Solve for x
    x = 71,814,239.63/9,192.72
  6. Step 6: Final answer
    x = 7,812.08

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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.