Home / 13,004.16-19,506.80-5,108.39

Finding the Fourth Proportional to 13,004.16, 19,506.80 and 5,108.39

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Solution

The fourth proportional to 13,004.16, 19,506.80 and 5,108.39 is: 7,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,004.16 : 19,506.80 = 5,108.39 : x
  2. Step 2: Convert to fraction form
    13,004.16/19,506.80 = 5,108.39/x
  3. Step 3: Cross multiply
    13,004.16x = 19,506.80 × 5,108.39
  4. Step 4: Simplify right side
    13,004.16x = 99,648,218.98
  5. Step 5: Solve for x
    x = 99,648,218.98/13,004.16
  6. Step 6: Final answer
    x = 7,662.80

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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.