Home / 23,254.20-32,090.43-12,643.74

Finding the Fourth Proportional to 23,254.20, 32,090.43 and 12,643.74

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Solution

The fourth proportional to 23,254.20, 32,090.43 and 12,643.74 is: 17,448.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,254.20 : 32,090.43 = 12,643.74 : x
  2. Step 2: Convert to fraction form
    23,254.20/32,090.43 = 12,643.74/x
  3. Step 3: Cross multiply
    23,254.20x = 32,090.43 × 12,643.74
  4. Step 4: Simplify right side
    23,254.20x = 405,743,053.41
  5. Step 5: Solve for x
    x = 405,743,053.41/23,254.20
  6. Step 6: Final answer
    x = 17,448.16

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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.