Home / 13,335.10-20,005.68-4,569.48

Finding the Fourth Proportional to 13,335.10, 20,005.68 and 4,569.48

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Solution

The fourth proportional to 13,335.10, 20,005.68 and 4,569.48 is: 6,855.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,335.10 : 20,005.68 = 4,569.48 : x
  2. Step 2: Convert to fraction form
    13,335.10/20,005.68 = 4,569.48/x
  3. Step 3: Cross multiply
    13,335.10x = 20,005.68 × 4,569.48
  4. Step 4: Simplify right side
    13,335.10x = 91,415,571.78
  5. Step 5: Solve for x
    x = 91,415,571.78/13,335.10
  6. Step 6: Final answer
    x = 6,855.26

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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.