Home / 13,610.69-18,739.78-12,364.98

Finding the Fourth Proportional to 13,610.69, 18,739.78 and 12,364.98

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Solution

The fourth proportional to 13,610.69, 18,739.78 and 12,364.98 is: 17,024.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,610.69 : 18,739.78 = 12,364.98 : x
  2. Step 2: Convert to fraction form
    13,610.69/18,739.78 = 12,364.98/x
  3. Step 3: Cross multiply
    13,610.69x = 18,739.78 × 12,364.98
  4. Step 4: Simplify right side
    13,610.69x = 231,717,004.90
  5. Step 5: Solve for x
    x = 231,717,004.90/13,610.69
  6. Step 6: Final answer
    x = 17,024.63

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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.