Home / 9,945.99-14,918.99-5,571.99

Finding the Fourth Proportional to 9,945.99, 14,918.99 and 5,571.99

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Solution

The fourth proportional to 9,945.99, 14,918.99 and 5,571.99 is: 8,357.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,945.99 : 14,918.99 = 5,571.99 : x
  2. Step 2: Convert to fraction form
    9,945.99/14,918.99 = 5,571.99/x
  3. Step 3: Cross multiply
    9,945.99x = 14,918.99 × 5,571.99
  4. Step 4: Simplify right side
    9,945.99x = 83,128,435.23
  5. Step 5: Solve for x
    x = 83,128,435.23/9,945.99
  6. Step 6: Final answer
    x = 8,357.99

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Double scale
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Similar ratio
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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.