Home / 12,862.60-19,284.30-7,025.80

Finding the Fourth Proportional to 12,862.60, 19,284.30 and 7,025.80

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Solution

The fourth proportional to 12,862.60, 19,284.30 and 7,025.80 is: 10,533.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,862.60 : 19,284.30 = 7,025.80 : x
  2. Step 2: Convert to fraction form
    12,862.60/19,284.30 = 7,025.80/x
  3. Step 3: Cross multiply
    12,862.60x = 19,284.30 × 7,025.80
  4. Step 4: Simplify right side
    12,862.60x = 135,487,634.94
  5. Step 5: Solve for x
    x = 135,487,634.94/12,862.60
  6. Step 6: Final answer
    x = 10,533.46

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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.