Home / 9,945.60-14,918.16-4,102.56

Finding the Fourth Proportional to 9,945.60, 14,918.16 and 4,102.56

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Solution

The fourth proportional to 9,945.60, 14,918.16 and 4,102.56 is: 6,153.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.60 : 14,918.16 = 4,102.56 : x
  2. Step 2: Convert to fraction form
    9,945.60/14,918.16 = 4,102.56/x
  3. Step 3: Cross multiply
    9,945.60x = 14,918.16 × 4,102.56
  4. Step 4: Simplify right side
    9,945.60x = 61,202,646.49
  5. Step 5: Solve for x
    x = 61,202,646.49/9,945.60
  6. Step 6: Final answer
    x = 6,153.74

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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.