Home / 18,964.87-26,167.08-11,005.67

Finding the Fourth Proportional to 18,964.87, 26,167.08 and 11,005.67

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Solution

The fourth proportional to 18,964.87, 26,167.08 and 11,005.67 is: 15,185.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,964.87 : 26,167.08 = 11,005.67 : x
  2. Step 2: Convert to fraction form
    18,964.87/26,167.08 = 11,005.67/x
  3. Step 3: Cross multiply
    18,964.87x = 26,167.08 × 11,005.67
  4. Step 4: Simplify right side
    18,964.87x = 287,986,354.03
  5. Step 5: Solve for x
    x = 287,986,354.03/18,964.87
  6. Step 6: Final answer
    x = 15,185.26

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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.