Home / 9,537.56-13,161.88-5,289.32

Finding the Fourth Proportional to 9,537.56, 13,161.88 and 5,289.32

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Solution

The fourth proportional to 9,537.56, 13,161.88 and 5,289.32 is: 7,299.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,537.56 : 13,161.88 = 5,289.32 : x
  2. Step 2: Convert to fraction form
    9,537.56/13,161.88 = 5,289.32/x
  3. Step 3: Cross multiply
    9,537.56x = 13,161.88 × 5,289.32
  4. Step 4: Simplify right side
    9,537.56x = 69,617,395.12
  5. Step 5: Solve for x
    x = 69,617,395.12/9,537.56
  6. Step 6: Final answer
    x = 7,299.29

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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.