Home / 12,039.77-18,044.62-5,798.63

Finding the Fourth Proportional to 12,039.77, 18,044.62 and 5,798.63

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Solution

The fourth proportional to 12,039.77, 18,044.62 and 5,798.63 is: 8,690.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,039.77 : 18,044.62 = 5,798.63 : x
  2. Step 2: Convert to fraction form
    12,039.77/18,044.62 = 5,798.63/x
  3. Step 3: Cross multiply
    12,039.77x = 18,044.62 × 5,798.63
  4. Step 4: Simplify right side
    12,039.77x = 104,633,970.15
  5. Step 5: Solve for x
    x = 104,633,970.15/12,039.77
  6. Step 6: Final answer
    x = 8,690.69

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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.