Home / 13,560.09-18,687.56-10,571.19

Finding the Fourth Proportional to 13,560.09, 18,687.56 and 10,571.19

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Solution

The fourth proportional to 13,560.09, 18,687.56 and 10,571.19 is: 14,568.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,560.09 : 18,687.56 = 10,571.19 : x
  2. Step 2: Convert to fraction form
    13,560.09/18,687.56 = 10,571.19/x
  3. Step 3: Cross multiply
    13,560.09x = 18,687.56 × 10,571.19
  4. Step 4: Simplify right side
    13,560.09x = 197,549,694.54
  5. Step 5: Solve for x
    x = 197,549,694.54/13,560.09
  6. Step 6: Final answer
    x = 14,568.46

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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.