Home / 12,143.61-18,207.23-5,566.23

Finding the Fourth Proportional to 12,143.61, 18,207.23 and 5,566.23

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Solution

The fourth proportional to 12,143.61, 18,207.23 and 5,566.23 is: 8,345.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,143.61 : 18,207.23 = 5,566.23 : x
  2. Step 2: Convert to fraction form
    12,143.61/18,207.23 = 5,566.23/x
  3. Step 3: Cross multiply
    12,143.61x = 18,207.23 × 5,566.23
  4. Step 4: Simplify right side
    12,143.61x = 101,345,602.01
  5. Step 5: Solve for x
    x = 101,345,602.01/12,143.61
  6. Step 6: Final answer
    x = 8,345.59

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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.