Home / 23,253.97-32,090.90-12,643.68

Finding the Fourth Proportional to 23,253.97, 32,090.90 and 12,643.68

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Solution

The fourth proportional to 23,253.97, 32,090.90 and 12,643.68 is: 17,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,253.97 : 32,090.90 = 12,643.68 : x
  2. Step 2: Convert to fraction form
    23,253.97/32,090.90 = 12,643.68/x
  3. Step 3: Cross multiply
    23,253.97x = 32,090.90 × 12,643.68
  4. Step 4: Simplify right side
    23,253.97x = 405,747,070.51
  5. Step 5: Solve for x
    x = 405,747,070.51/23,253.97
  6. Step 6: Final answer
    x = 17,448.51

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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.