Home / 23,189.44-31,977.22-13,756.18

Finding the Fourth Proportional to 23,189.44, 31,977.22 and 13,756.18

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Solution

The fourth proportional to 23,189.44, 31,977.22 and 13,756.18 is: 18,969.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    23,189.44 : 31,977.22 = 13,756.18 : x
  2. Step 2: Convert to fraction form
    23,189.44/31,977.22 = 13,756.18/x
  3. Step 3: Cross multiply
    23,189.44x = 31,977.22 × 13,756.18
  4. Step 4: Simplify right side
    23,189.44x = 439,884,394.22
  5. Step 5: Solve for x
    x = 439,884,394.22/23,189.44
  6. Step 6: Final answer
    x = 18,969.17

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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.