Home / 11,255.86-16,873.47-4,328.98

Finding the Fourth Proportional to 11,255.86, 16,873.47 and 4,328.98

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Solution

The fourth proportional to 11,255.86, 16,873.47 and 4,328.98 is: 6,489.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,255.86 : 16,873.47 = 4,328.98 : x
  2. Step 2: Convert to fraction form
    11,255.86/16,873.47 = 4,328.98/x
  3. Step 3: Cross multiply
    11,255.86x = 16,873.47 × 4,328.98
  4. Step 4: Simplify right side
    11,255.86x = 73,044,914.16
  5. Step 5: Solve for x
    x = 73,044,914.16/11,255.86
  6. Step 6: Final answer
    x = 6,489.50

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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.