Home / 13,504.88-20,253.48-5,184.32

Finding the Fourth Proportional to 13,504.88, 20,253.48 and 5,184.32

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Solution

The fourth proportional to 13,504.88, 20,253.48 and 5,184.32 is: 7,775.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,504.88 : 20,253.48 = 5,184.32 : x
  2. Step 2: Convert to fraction form
    13,504.88/20,253.48 = 5,184.32/x
  3. Step 3: Cross multiply
    13,504.88x = 20,253.48 × 5,184.32
  4. Step 4: Simplify right side
    13,504.88x = 105,000,521.43
  5. Step 5: Solve for x
    x = 105,000,521.43/13,504.88
  6. Step 6: Final answer
    x = 7,775.01

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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.