Home / 18,910.32-26,103.36-14,208.18

Finding the Fourth Proportional to 18,910.32, 26,103.36 and 14,208.18

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Solution

The fourth proportional to 18,910.32, 26,103.36 and 14,208.18 is: 19,612.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,910.32 : 26,103.36 = 14,208.18 : x
  2. Step 2: Convert to fraction form
    18,910.32/26,103.36 = 14,208.18/x
  3. Step 3: Cross multiply
    18,910.32x = 26,103.36 × 14,208.18
  4. Step 4: Simplify right side
    18,910.32x = 370,881,237.48
  5. Step 5: Solve for x
    x = 370,881,237.48/18,910.32
  6. Step 6: Final answer
    x = 19,612.64

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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.