Home / 19,246.86-26,559.93-12,080.61

Finding the Fourth Proportional to 19,246.86, 26,559.93 and 12,080.61

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Solution

The fourth proportional to 19,246.86, 26,559.93 and 12,080.61 is: 16,670.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,246.86 : 26,559.93 = 12,080.61 : x
  2. Step 2: Convert to fraction form
    19,246.86/26,559.93 = 12,080.61/x
  3. Step 3: Cross multiply
    19,246.86x = 26,559.93 × 12,080.61
  4. Step 4: Simplify right side
    19,246.86x = 320,860,155.96
  5. Step 5: Solve for x
    x = 320,860,155.96/19,246.86
  6. Step 6: Final answer
    x = 16,670.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.