Home / 13,563.93-18,717.27-9,086.94

Finding the Fourth Proportional to 13,563.93, 18,717.27 and 9,086.94

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Solution

The fourth proportional to 13,563.93, 18,717.27 and 9,086.94 is: 12,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,563.93 : 18,717.27 = 9,086.94 : x
  2. Step 2: Convert to fraction form
    13,563.93/18,717.27 = 9,086.94/x
  3. Step 3: Cross multiply
    13,563.93x = 18,717.27 × 9,086.94
  4. Step 4: Simplify right side
    13,563.93x = 170,082,709.45
  5. Step 5: Solve for x
    x = 170,082,709.45/13,563.93
  6. Step 6: Final answer
    x = 12,539.34

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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.