Home / 12,345.06-18,422.67-11,032.86

Finding the Fourth Proportional to 12,345.06, 18,422.67 and 11,032.86

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Solution

The fourth proportional to 12,345.06, 18,422.67 and 11,032.86 is: 16,464.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,345.06 : 18,422.67 = 11,032.86 : x
  2. Step 2: Convert to fraction form
    12,345.06/18,422.67 = 11,032.86/x
  3. Step 3: Cross multiply
    12,345.06x = 18,422.67 × 11,032.86
  4. Step 4: Simplify right side
    12,345.06x = 203,254,738.94
  5. Step 5: Solve for x
    x = 203,254,738.94/12,345.06
  6. Step 6: Final answer
    x = 16,464.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.