Home / 13,497.17-20,245.88-5,175.20

Finding the Fourth Proportional to 13,497.17, 20,245.88 and 5,175.20

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Solution

The fourth proportional to 13,497.17, 20,245.88 and 5,175.20 is: 7,762.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,497.17 : 20,245.88 = 5,175.20 : x
  2. Step 2: Convert to fraction form
    13,497.17/20,245.88 = 5,175.20/x
  3. Step 3: Cross multiply
    13,497.17x = 20,245.88 × 5,175.20
  4. Step 4: Simplify right side
    13,497.17x = 104,776,351.07
  5. Step 5: Solve for x
    x = 104,776,351.07/13,497.17
  6. Step 6: Final answer
    x = 7,762.84

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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.