Home / 19,188.06-26,480.04-11,230.42

Finding the Fourth Proportional to 19,188.06, 26,480.04 and 11,230.42

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Solution

The fourth proportional to 19,188.06, 26,480.04 and 11,230.42 is: 15,498.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,188.06 : 26,480.04 = 11,230.42 : x
  2. Step 2: Convert to fraction form
    19,188.06/26,480.04 = 11,230.42/x
  3. Step 3: Cross multiply
    19,188.06x = 26,480.04 × 11,230.42
  4. Step 4: Simplify right side
    19,188.06x = 297,381,970.82
  5. Step 5: Solve for x
    x = 297,381,970.82/19,188.06
  6. Step 6: Final answer
    x = 15,498.28

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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.