Home / 12,026.91-18,038.77-3,707.20

Finding the Fourth Proportional to 12,026.91, 18,038.77 and 3,707.20

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Solution

The fourth proportional to 12,026.91, 18,038.77 and 3,707.20 is: 5,560.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,026.91 : 18,038.77 = 3,707.20 : x
  2. Step 2: Convert to fraction form
    12,026.91/18,038.77 = 3,707.20/x
  3. Step 3: Cross multiply
    12,026.91x = 18,038.77 × 3,707.20
  4. Step 4: Simplify right side
    12,026.91x = 66,873,273.78
  5. Step 5: Solve for x
    x = 66,873,273.78/12,026.91
  6. Step 6: Final answer
    x = 5,560.30

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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.