Home / 13,052.08-19,574.32-3,689.88

Finding the Fourth Proportional to 13,052.08, 19,574.32 and 3,689.88

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Solution

The fourth proportional to 13,052.08, 19,574.32 and 3,689.88 is: 5,533.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,052.08 : 19,574.32 = 3,689.88 : x
  2. Step 2: Convert to fraction form
    13,052.08/19,574.32 = 3,689.88/x
  3. Step 3: Cross multiply
    13,052.08x = 19,574.32 × 3,689.88
  4. Step 4: Simplify right side
    13,052.08x = 72,226,891.88
  5. Step 5: Solve for x
    x = 72,226,891.88/13,052.08
  6. Step 6: Final answer
    x = 5,533.75

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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.