Home / 13,561.51-20,355.40-6,546.46

Finding the Fourth Proportional to 13,561.51, 20,355.40 and 6,546.46

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Solution

The fourth proportional to 13,561.51, 20,355.40 and 6,546.46 is: 9,826.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,561.51 : 20,355.40 = 6,546.46 : x
  2. Step 2: Convert to fraction form
    13,561.51/20,355.40 = 6,546.46/x
  3. Step 3: Cross multiply
    13,561.51x = 20,355.40 × 6,546.46
  4. Step 4: Simplify right side
    13,561.51x = 133,255,769.18
  5. Step 5: Solve for x
    x = 133,255,769.18/13,561.51
  6. Step 6: Final answer
    x = 9,826.03

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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.