Home / 13,969.44-21,037.32-12,598.56

Finding the Fourth Proportional to 13,969.44, 21,037.32 and 12,598.56

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Solution

The fourth proportional to 13,969.44, 21,037.32 and 12,598.56 is: 18,972.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,969.44 : 21,037.32 = 12,598.56 : x
  2. Step 2: Convert to fraction form
    13,969.44/21,037.32 = 12,598.56/x
  3. Step 3: Cross multiply
    13,969.44x = 21,037.32 × 12,598.56
  4. Step 4: Simplify right side
    13,969.44x = 265,039,938.26
  5. Step 5: Solve for x
    x = 265,039,938.26/13,969.44
  6. Step 6: Final answer
    x = 18,972.84

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.