Home / 13,816.68-19,074.60-10,288.32

Finding the Fourth Proportional to 13,816.68, 19,074.60 and 10,288.32

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Solution

The fourth proportional to 13,816.68, 19,074.60 and 10,288.32 is: 14,203.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,816.68 : 19,074.60 = 10,288.32 : x
  2. Step 2: Convert to fraction form
    13,816.68/19,074.60 = 10,288.32/x
  3. Step 3: Cross multiply
    13,816.68x = 19,074.60 × 10,288.32
  4. Step 4: Simplify right side
    13,816.68x = 196,245,588.67
  5. Step 5: Solve for x
    x = 196,245,588.67/13,816.68
  6. Step 6: Final answer
    x = 14,203.53

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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.