Home / 13,546.02-20,319.44-3,685.51

Finding the Fourth Proportional to 13,546.02, 20,319.44 and 3,685.51

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Solution

The fourth proportional to 13,546.02, 20,319.44 and 3,685.51 is: 5,528.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,546.02 : 20,319.44 = 3,685.51 : x
  2. Step 2: Convert to fraction form
    13,546.02/20,319.44 = 3,685.51/x
  3. Step 3: Cross multiply
    13,546.02x = 20,319.44 × 3,685.51
  4. Step 4: Simplify right side
    13,546.02x = 74,887,499.31
  5. Step 5: Solve for x
    x = 74,887,499.31/13,546.02
  6. Step 6: Final answer
    x = 5,528.38

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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.