Home / 10,189.26-15,280.73-4,921.00

Finding the Fourth Proportional to 10,189.26, 15,280.73 and 4,921.00

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Solution

The fourth proportional to 10,189.26, 15,280.73 and 4,921.00 is: 7,379.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,189.26 : 15,280.73 = 4,921.00 : x
  2. Step 2: Convert to fraction form
    10,189.26/15,280.73 = 4,921.00/x
  3. Step 3: Cross multiply
    10,189.26x = 15,280.73 × 4,921.00
  4. Step 4: Simplify right side
    10,189.26x = 75,196,395.93
  5. Step 5: Solve for x
    x = 75,196,395.93/10,189.26
  6. Step 6: Final answer
    x = 7,379.97

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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.