Home / 12,777.08-19,167.40-4,012.68

Finding the Fourth Proportional to 12,777.08, 19,167.40 and 4,012.68

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Solution

The fourth proportional to 12,777.08, 19,167.40 and 4,012.68 is: 6,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,777.08 : 19,167.40 = 4,012.68 : x
  2. Step 2: Convert to fraction form
    12,777.08/19,167.40 = 4,012.68/x
  3. Step 3: Cross multiply
    12,777.08x = 19,167.40 × 4,012.68
  4. Step 4: Simplify right side
    12,777.08x = 76,912,642.63
  5. Step 5: Solve for x
    x = 76,912,642.63/12,777.08
  6. Step 6: Final answer
    x = 6,019.58

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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.