Home / 13,608.48-20,409.72-6,588.24

Finding the Fourth Proportional to 13,608.48, 20,409.72 and 6,588.24

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Solution

The fourth proportional to 13,608.48, 20,409.72 and 6,588.24 is: 9,880.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,608.48 : 20,409.72 = 6,588.24 : x
  2. Step 2: Convert to fraction form
    13,608.48/20,409.72 = 6,588.24/x
  3. Step 3: Cross multiply
    13,608.48x = 20,409.72 × 6,588.24
  4. Step 4: Simplify right side
    13,608.48x = 134,464,133.69
  5. Step 5: Solve for x
    x = 134,464,133.69/13,608.48
  6. Step 6: Final answer
    x = 9,880.91

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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.