Home / 13,577.63-20,360.01-5,261.54

Finding the Fourth Proportional to 13,577.63, 20,360.01 and 5,261.54

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Solution

The fourth proportional to 13,577.63, 20,360.01 and 5,261.54 is: 7,889.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.63 : 20,360.01 = 5,261.54 : x
  2. Step 2: Convert to fraction form
    13,577.63/20,360.01 = 5,261.54/x
  3. Step 3: Cross multiply
    13,577.63x = 20,360.01 × 5,261.54
  4. Step 4: Simplify right side
    13,577.63x = 107,125,007.02
  5. Step 5: Solve for x
    x = 107,125,007.02/13,577.63
  6. Step 6: Final answer
    x = 7,889.82

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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.