Home / 13,448.36-20,175.69-13,225.22

Finding the Fourth Proportional to 13,448.36, 20,175.69 and 13,225.22

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Solution

The fourth proportional to 13,448.36, 20,175.69 and 13,225.22 is: 19,840.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,448.36 : 20,175.69 = 13,225.22 : x
  2. Step 2: Convert to fraction form
    13,448.36/20,175.69 = 13,225.22/x
  3. Step 3: Cross multiply
    13,448.36x = 20,175.69 × 13,225.22
  4. Step 4: Simplify right side
    13,448.36x = 266,827,938.90
  5. Step 5: Solve for x
    x = 266,827,938.90/13,448.36
  6. Step 6: Final answer
    x = 19,840.93

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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.