Home / 22,101.36-30,499.56-12,165.36

Finding the Fourth Proportional to 22,101.36, 30,499.56 and 12,165.36

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Solution

The fourth proportional to 22,101.36, 30,499.56 and 12,165.36 is: 16,788.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,101.36 : 30,499.56 = 12,165.36 : x
  2. Step 2: Convert to fraction form
    22,101.36/30,499.56 = 12,165.36/x
  3. Step 3: Cross multiply
    22,101.36x = 30,499.56 × 12,165.36
  4. Step 4: Simplify right side
    22,101.36x = 371,038,127.24
  5. Step 5: Solve for x
    x = 371,038,127.24/22,101.36
  6. Step 6: Final answer
    x = 16,788.02

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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.