Home / 13,335.06-20,003.85-4,572.30

Finding the Fourth Proportional to 13,335.06, 20,003.85 and 4,572.30

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Solution

The fourth proportional to 13,335.06, 20,003.85 and 4,572.30 is: 6,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.06 : 20,003.85 = 4,572.30 : x
  2. Step 2: Convert to fraction form
    13,335.06/20,003.85 = 4,572.30/x
  3. Step 3: Cross multiply
    13,335.06x = 20,003.85 × 4,572.30
  4. Step 4: Simplify right side
    13,335.06x = 91,463,603.36
  5. Step 5: Solve for x
    x = 91,463,603.36/13,335.06
  6. Step 6: Final answer
    x = 6,858.88

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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.