Home / 13,256.87-19,889.01-4,492.44

Finding the Fourth Proportional to 13,256.87, 19,889.01 and 4,492.44

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Solution

The fourth proportional to 13,256.87, 19,889.01 and 4,492.44 is: 6,739.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,256.87 : 19,889.01 = 4,492.44 : x
  2. Step 2: Convert to fraction form
    13,256.87/19,889.01 = 4,492.44/x
  3. Step 3: Cross multiply
    13,256.87x = 19,889.01 × 4,492.44
  4. Step 4: Simplify right side
    13,256.87x = 89,350,184.08
  5. Step 5: Solve for x
    x = 89,350,184.08/13,256.87
  6. Step 6: Final answer
    x = 6,739.92

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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.