Home / 14,188.86-21,278.76-4,699.44

Finding the Fourth Proportional to 14,188.86, 21,278.76 and 4,699.44

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Solution

The fourth proportional to 14,188.86, 21,278.76 and 4,699.44 is: 7,047.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.86 : 21,278.76 = 4,699.44 : x
  2. Step 2: Convert to fraction form
    14,188.86/21,278.76 = 4,699.44/x
  3. Step 3: Cross multiply
    14,188.86x = 21,278.76 × 4,699.44
  4. Step 4: Simplify right side
    14,188.86x = 99,998,255.89
  5. Step 5: Solve for x
    x = 99,998,255.89/14,188.86
  6. Step 6: Final answer
    x = 7,047.66

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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.