Home / 13,079.04-19,619.52-4,314

Finding the Fourth Proportional to 13,079.04, 19,619.52 and 4,314

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Solution

The fourth proportional to 13,079.04, 19,619.52 and 4,314 is: 6,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,079.04 : 19,619.52 = 4,314 : x
  2. Step 2: Convert to fraction form
    13,079.04/19,619.52 = 4,314/x
  3. Step 3: Cross multiply
    13,079.04x = 19,619.52 × 4,314
  4. Step 4: Simplify right side
    13,079.04x = 84,638,609.28
  5. Step 5: Solve for x
    x = 84,638,609.28/13,079.04
  6. Step 6: Final answer
    x = 6,471.32

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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.