Home / 18,976.57-26,185.64-11,017.30

Finding the Fourth Proportional to 18,976.57, 26,185.64 and 11,017.30

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Solution

The fourth proportional to 18,976.57, 26,185.64 and 11,017.30 is: 15,202.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,976.57 : 26,185.64 = 11,017.30 : x
  2. Step 2: Convert to fraction form
    18,976.57/26,185.64 = 11,017.30/x
  3. Step 3: Cross multiply
    18,976.57x = 26,185.64 × 11,017.30
  4. Step 4: Simplify right side
    18,976.57x = 288,495,051.57
  5. Step 5: Solve for x
    x = 288,495,051.57/18,976.57
  6. Step 6: Final answer
    x = 15,202.70

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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.