Home / 13,649.04-20,448.72-9,480.24

Finding the Fourth Proportional to 13,649.04, 20,448.72 and 9,480.24

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Solution

The fourth proportional to 13,649.04, 20,448.72 and 9,480.24 is: 14,203.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,649.04 : 20,448.72 = 9,480.24 : x
  2. Step 2: Convert to fraction form
    13,649.04/20,448.72 = 9,480.24/x
  3. Step 3: Cross multiply
    13,649.04x = 20,448.72 × 9,480.24
  4. Step 4: Simplify right side
    13,649.04x = 193,858,773.29
  5. Step 5: Solve for x
    x = 193,858,773.29/13,649.04
  6. Step 6: Final answer
    x = 14,203.11

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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.