Home / 19,333.56-26,683.92-11,375.40

Finding the Fourth Proportional to 19,333.56, 26,683.92 and 11,375.40

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Solution

The fourth proportional to 19,333.56, 26,683.92 and 11,375.40 is: 15,700.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,333.56 : 26,683.92 = 11,375.40 : x
  2. Step 2: Convert to fraction form
    19,333.56/26,683.92 = 11,375.40/x
  3. Step 3: Cross multiply
    19,333.56x = 26,683.92 × 11,375.40
  4. Step 4: Simplify right side
    19,333.56x = 303,540,263.57
  5. Step 5: Solve for x
    x = 303,540,263.57/19,333.56
  6. Step 6: Final answer
    x = 15,700.17

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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.