Home / 9,865.55-13,614.73-5,389.27

Finding the Fourth Proportional to 9,865.55, 13,614.73 and 5,389.27

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Solution

The fourth proportional to 9,865.55, 13,614.73 and 5,389.27 is: 7,437.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,865.55 : 13,614.73 = 5,389.27 : x
  2. Step 2: Convert to fraction form
    9,865.55/13,614.73 = 5,389.27/x
  3. Step 3: Cross multiply
    9,865.55x = 13,614.73 × 5,389.27
  4. Step 4: Simplify right side
    9,865.55x = 73,373,408.44
  5. Step 5: Solve for x
    x = 73,373,408.44/9,865.55
  6. Step 6: Final answer
    x = 7,437.33

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.