Home / 15,243.84-21,037.92-14,052.60

Finding the Fourth Proportional to 15,243.84, 21,037.92 and 14,052.60

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Solution

The fourth proportional to 15,243.84, 21,037.92 and 14,052.60 is: 19,393.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,243.84 : 21,037.92 = 14,052.60 : x
  2. Step 2: Convert to fraction form
    15,243.84/21,037.92 = 14,052.60/x
  3. Step 3: Cross multiply
    15,243.84x = 21,037.92 × 14,052.60
  4. Step 4: Simplify right side
    15,243.84x = 295,637,474.59
  5. Step 5: Solve for x
    x = 295,637,474.59/15,243.84
  6. Step 6: Final answer
    x = 19,393.90

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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.