Home / 13,124.03-19,690.03-4,689.43

Finding the Fourth Proportional to 13,124.03, 19,690.03 and 4,689.43

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Solution

The fourth proportional to 13,124.03, 19,690.03 and 4,689.43 is: 7,035.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,124.03 : 19,690.03 = 4,689.43 : x
  2. Step 2: Convert to fraction form
    13,124.03/19,690.03 = 4,689.43/x
  3. Step 3: Cross multiply
    13,124.03x = 19,690.03 × 4,689.43
  4. Step 4: Simplify right side
    13,124.03x = 92,335,043.16
  5. Step 5: Solve for x
    x = 92,335,043.16/13,124.03
  6. Step 6: Final answer
    x = 7,035.57

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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.