Home / 12,970.28-19,453.37-4,203.14

Finding the Fourth Proportional to 12,970.28, 19,453.37 and 4,203.14

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Solution

The fourth proportional to 12,970.28, 19,453.37 and 4,203.14 is: 6,304.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,970.28 : 19,453.37 = 4,203.14 : x
  2. Step 2: Convert to fraction form
    12,970.28/19,453.37 = 4,203.14/x
  3. Step 3: Cross multiply
    12,970.28x = 19,453.37 × 4,203.14
  4. Step 4: Simplify right side
    12,970.28x = 81,765,228.72
  5. Step 5: Solve for x
    x = 81,765,228.72/12,970.28
  6. Step 6: Final answer
    x = 6,304.05

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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.