Home / 14,103.32-21,162.54-10,822.28

Finding the Fourth Proportional to 14,103.32, 21,162.54 and 10,822.28

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Solution

The fourth proportional to 14,103.32, 21,162.54 and 10,822.28 is: 16,239.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,103.32 : 21,162.54 = 10,822.28 : x
  2. Step 2: Convert to fraction form
    14,103.32/21,162.54 = 10,822.28/x
  3. Step 3: Cross multiply
    14,103.32x = 21,162.54 × 10,822.28
  4. Step 4: Simplify right side
    14,103.32x = 229,026,933.39
  5. Step 5: Solve for x
    x = 229,026,933.39/14,103.32
  6. Step 6: Final answer
    x = 16,239.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.