Home / 13,598.24-20,397.54-5,278.73

Finding the Fourth Proportional to 13,598.24, 20,397.54 and 5,278.73

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Solution

The fourth proportional to 13,598.24, 20,397.54 and 5,278.73 is: 7,918.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,598.24 : 20,397.54 = 5,278.73 : x
  2. Step 2: Convert to fraction form
    13,598.24/20,397.54 = 5,278.73/x
  3. Step 3: Cross multiply
    13,598.24x = 20,397.54 × 5,278.73
  4. Step 4: Simplify right side
    13,598.24x = 107,673,106.32
  5. Step 5: Solve for x
    x = 107,673,106.32/13,598.24
  6. Step 6: Final answer
    x = 7,918.16

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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.