Home / 9,678.88-14,518.16-3,104.96

Finding the Fourth Proportional to 9,678.88, 14,518.16 and 3,104.96

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Solution

The fourth proportional to 9,678.88, 14,518.16 and 3,104.96 is: 4,657.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678.88 : 14,518.16 = 3,104.96 : x
  2. Step 2: Convert to fraction form
    9,678.88/14,518.16 = 3,104.96/x
  3. Step 3: Cross multiply
    9,678.88x = 14,518.16 × 3,104.96
  4. Step 4: Simplify right side
    9,678.88x = 45,078,306.07
  5. Step 5: Solve for x
    x = 45,078,306.07/9,678.88
  6. Step 6: Final answer
    x = 4,657.39

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1.5x scale

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.