Home / 13,040.37-19,563.28-4,274.60

Finding the Fourth Proportional to 13,040.37, 19,563.28 and 4,274.60

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Solution

The fourth proportional to 13,040.37, 19,563.28 and 4,274.60 is: 6,412.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,040.37 : 19,563.28 = 4,274.60 : x
  2. Step 2: Convert to fraction form
    13,040.37/19,563.28 = 4,274.60/x
  3. Step 3: Cross multiply
    13,040.37x = 19,563.28 × 4,274.60
  4. Step 4: Simplify right side
    13,040.37x = 83,625,088.19
  5. Step 5: Solve for x
    x = 83,625,088.19/13,040.37
  6. Step 6: Final answer
    x = 6,412.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.