Home / 16,103.63-22,215.44-11,390.51

Finding the Fourth Proportional to 16,103.63, 22,215.44 and 11,390.51

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Solution

The fourth proportional to 16,103.63, 22,215.44 and 11,390.51 is: 15,713.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,103.63 : 22,215.44 = 11,390.51 : x
  2. Step 2: Convert to fraction form
    16,103.63/22,215.44 = 11,390.51/x
  3. Step 3: Cross multiply
    16,103.63x = 22,215.44 × 11,390.51
  4. Step 4: Simplify right side
    16,103.63x = 253,045,080.40
  5. Step 5: Solve for x
    x = 253,045,080.40/16,103.63
  6. Step 6: Final answer
    x = 15,713.55

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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.