Home / 12,775.08-19,141.02-9,069.96

Finding the Fourth Proportional to 12,775.08, 19,141.02 and 9,069.96

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Solution

The fourth proportional to 12,775.08, 19,141.02 and 9,069.96 is: 13,589.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,775.08 : 19,141.02 = 9,069.96 : x
  2. Step 2: Convert to fraction form
    12,775.08/19,141.02 = 9,069.96/x
  3. Step 3: Cross multiply
    12,775.08x = 19,141.02 × 9,069.96
  4. Step 4: Simplify right side
    12,775.08x = 173,608,285.76
  5. Step 5: Solve for x
    x = 173,608,285.76/12,775.08
  6. Step 6: Final answer
    x = 13,589.60

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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.