Home / 18,977.00-26,186.27-11,017.67

Finding the Fourth Proportional to 18,977.00, 26,186.27 and 11,017.67

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Solution

The fourth proportional to 18,977.00, 26,186.27 and 11,017.67 is: 15,203.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.00 : 26,186.27 = 11,017.67 : x
  2. Step 2: Convert to fraction form
    18,977.00/26,186.27 = 11,017.67/x
  3. Step 3: Cross multiply
    18,977.00x = 26,186.27 × 11,017.67
  4. Step 4: Simplify right side
    18,977.00x = 288,511,495.37
  5. Step 5: Solve for x
    x = 288,511,495.37/18,977.00
  6. Step 6: Final answer
    x = 15,203.22

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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.