Home / 9,887.18-14,830.78-3,644.48

Finding the Fourth Proportional to 9,887.18, 14,830.78 and 3,644.48

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Solution

The fourth proportional to 9,887.18, 14,830.78 and 3,644.48 is: 5,466.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,887.18 : 14,830.78 = 3,644.48 : x
  2. Step 2: Convert to fraction form
    9,887.18/14,830.78 = 3,644.48/x
  3. Step 3: Cross multiply
    9,887.18x = 14,830.78 × 3,644.48
  4. Step 4: Simplify right side
    9,887.18x = 54,050,481.09
  5. Step 5: Solve for x
    x = 54,050,481.09/9,887.18
  6. Step 6: Final answer
    x = 5,466.72

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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.