Home / 22,090.77-30,486.33-12,659.36

Finding the Fourth Proportional to 22,090.77, 30,486.33 and 12,659.36

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Solution

The fourth proportional to 22,090.77, 30,486.33 and 12,659.36 is: 17,470.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,090.77 : 30,486.33 = 12,659.36 : x
  2. Step 2: Convert to fraction form
    22,090.77/30,486.33 = 12,659.36/x
  3. Step 3: Cross multiply
    22,090.77x = 30,486.33 × 12,659.36
  4. Step 4: Simplify right side
    22,090.77x = 385,937,274.12
  5. Step 5: Solve for x
    x = 385,937,274.12/22,090.77
  6. Step 6: Final answer
    x = 17,470.52

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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.