Home / 13,577.17-20,322.70-11,826.20

Finding the Fourth Proportional to 13,577.17, 20,322.70 and 11,826.20

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Solution

The fourth proportional to 13,577.17, 20,322.70 and 11,826.20 is: 17,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,577.17 : 20,322.70 = 11,826.20 : x
  2. Step 2: Convert to fraction form
    13,577.17/20,322.70 = 11,826.20/x
  3. Step 3: Cross multiply
    13,577.17x = 20,322.70 × 11,826.20
  4. Step 4: Simplify right side
    13,577.17x = 240,340,335.98
  5. Step 5: Solve for x
    x = 240,340,335.98/13,577.17
  6. Step 6: Final answer
    x = 17,701.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.