Home / 16,388.79-22,610.12-10,090.23

Finding the Fourth Proportional to 16,388.79, 22,610.12 and 10,090.23

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Solution

The fourth proportional to 16,388.79, 22,610.12 and 10,090.23 is: 13,920.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,388.79 : 22,610.12 = 10,090.23 : x
  2. Step 2: Convert to fraction form
    16,388.79/22,610.12 = 10,090.23/x
  3. Step 3: Cross multiply
    16,388.79x = 22,610.12 × 10,090.23
  4. Step 4: Simplify right side
    16,388.79x = 228,141,260.68
  5. Step 5: Solve for x
    x = 228,141,260.68/16,388.79
  6. Step 6: Final answer
    x = 13,920.57

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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.