Home / 9,920.90-14,874.05-4,730.42

Finding the Fourth Proportional to 9,920.90, 14,874.05 and 4,730.42

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Solution

The fourth proportional to 9,920.90, 14,874.05 and 4,730.42 is: 7,092.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,920.90 : 14,874.05 = 4,730.42 : x
  2. Step 2: Convert to fraction form
    9,920.90/14,874.05 = 4,730.42/x
  3. Step 3: Cross multiply
    9,920.90x = 14,874.05 × 4,730.42
  4. Step 4: Simplify right side
    9,920.90x = 70,360,405.58
  5. Step 5: Solve for x
    x = 70,360,405.58/9,920.90
  6. Step 6: Final answer
    x = 7,092.14

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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.