Home / 12,095.61-18,145.47-3,775.44

Finding the Fourth Proportional to 12,095.61, 18,145.47 and 3,775.44

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Solution

The fourth proportional to 12,095.61, 18,145.47 and 3,775.44 is: 5,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,095.61 : 18,145.47 = 3,775.44 : x
  2. Step 2: Convert to fraction form
    12,095.61/18,145.47 = 3,775.44/x
  3. Step 3: Cross multiply
    12,095.61x = 18,145.47 × 3,775.44
  4. Step 4: Simplify right side
    12,095.61x = 68,507,133.26
  5. Step 5: Solve for x
    x = 68,507,133.26/12,095.61
  6. Step 6: Final answer
    x = 5,663.80

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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.