Home / 9,678.53-14,518.48-3,835.13

Finding the Fourth Proportional to 9,678.53, 14,518.48 and 3,835.13

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Solution

The fourth proportional to 9,678.53, 14,518.48 and 3,835.13 is: 5,752.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,678.53 : 14,518.48 = 3,835.13 : x
  2. Step 2: Convert to fraction form
    9,678.53/14,518.48 = 3,835.13/x
  3. Step 3: Cross multiply
    9,678.53x = 14,518.48 × 3,835.13
  4. Step 4: Simplify right side
    9,678.53x = 55,680,176.02
  5. Step 5: Solve for x
    x = 55,680,176.02/9,678.53
  6. Step 6: Final answer
    x = 5,752.96

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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.