Home / 12,035.09-18,044.95-5,782.66

Finding the Fourth Proportional to 12,035.09, 18,044.95 and 5,782.66

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Solution

The fourth proportional to 12,035.09, 18,044.95 and 5,782.66 is: 8,670.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,035.09 : 18,044.95 = 5,782.66 : x
  2. Step 2: Convert to fraction form
    12,035.09/18,044.95 = 5,782.66/x
  3. Step 3: Cross multiply
    12,035.09x = 18,044.95 × 5,782.66
  4. Step 4: Simplify right side
    12,035.09x = 104,347,781.65
  5. Step 5: Solve for x
    x = 104,347,781.65/12,035.09
  6. Step 6: Final answer
    x = 8,670.30

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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.