Home / 12,875.58-19,280.36-10,790.44

Finding the Fourth Proportional to 12,875.58, 19,280.36 and 10,790.44

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Solution

The fourth proportional to 12,875.58, 19,280.36 and 10,790.44 is: 16,157.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,875.58 : 19,280.36 = 10,790.44 : x
  2. Step 2: Convert to fraction form
    12,875.58/19,280.36 = 10,790.44/x
  3. Step 3: Cross multiply
    12,875.58x = 19,280.36 × 10,790.44
  4. Step 4: Simplify right side
    12,875.58x = 208,043,546.53
  5. Step 5: Solve for x
    x = 208,043,546.53/12,875.58
  6. Step 6: Final answer
    x = 16,157.99

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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.