Home / 9,890.96-14,837.80-3,650.18

Finding the Fourth Proportional to 9,890.96, 14,837.80 and 3,650.18

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Solution

The fourth proportional to 9,890.96, 14,837.80 and 3,650.18 is: 5,475.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,890.96 : 14,837.80 = 3,650.18 : x
  2. Step 2: Convert to fraction form
    9,890.96/14,837.80 = 3,650.18/x
  3. Step 3: Cross multiply
    9,890.96x = 14,837.80 × 3,650.18
  4. Step 4: Simplify right side
    9,890.96x = 54,160,640.80
  5. Step 5: Solve for x
    x = 54,160,640.80/9,890.96
  6. Step 6: Final answer
    x = 5,475.77

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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.