Home / 12,779.08-19,170.40-4,014.68

Finding the Fourth Proportional to 12,779.08, 19,170.40 and 4,014.68

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Solution

The fourth proportional to 12,779.08, 19,170.40 and 4,014.68 is: 6,022.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,779.08 : 19,170.40 = 4,014.68 : x
  2. Step 2: Convert to fraction form
    12,779.08/19,170.40 = 4,014.68/x
  3. Step 3: Cross multiply
    12,779.08x = 19,170.40 × 4,014.68
  4. Step 4: Simplify right side
    12,779.08x = 76,963,021.47
  5. Step 5: Solve for x
    x = 76,963,021.47/12,779.08
  6. Step 6: Final answer
    x = 6,022.58

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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.