Home / 13,339.81-20,003.85-7,098.34

Finding the Fourth Proportional to 13,339.81, 20,003.85 and 7,098.34

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Solution

The fourth proportional to 13,339.81, 20,003.85 and 7,098.34 is: 10,644.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,339.81 : 20,003.85 = 7,098.34 : x
  2. Step 2: Convert to fraction form
    13,339.81/20,003.85 = 7,098.34/x
  3. Step 3: Cross multiply
    13,339.81x = 20,003.85 × 7,098.34
  4. Step 4: Simplify right side
    13,339.81x = 141,994,180.23
  5. Step 5: Solve for x
    x = 141,994,180.23/13,339.81
  6. Step 6: Final answer
    x = 10,644.39

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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.