Home / 18,977.88-26,189.10-10,594.20

Finding the Fourth Proportional to 18,977.88, 26,189.10 and 10,594.20

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Solution

The fourth proportional to 18,977.88, 26,189.10 and 10,594.20 is: 14,619.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.88 : 26,189.10 = 10,594.20 : x
  2. Step 2: Convert to fraction form
    18,977.88/26,189.10 = 10,594.20/x
  3. Step 3: Cross multiply
    18,977.88x = 26,189.10 × 10,594.20
  4. Step 4: Simplify right side
    18,977.88x = 277,452,563.22
  5. Step 5: Solve for x
    x = 277,452,563.22/18,977.88
  6. Step 6: Final answer
    x = 14,619.79

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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.