Home / 12,462.18-18,694.07-8,702.59

Finding the Fourth Proportional to 12,462.18, 18,694.07 and 8,702.59

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Solution

The fourth proportional to 12,462.18, 18,694.07 and 8,702.59 is: 13,054.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,462.18 : 18,694.07 = 8,702.59 : x
  2. Step 2: Convert to fraction form
    12,462.18/18,694.07 = 8,702.59/x
  3. Step 3: Cross multiply
    12,462.18x = 18,694.07 × 8,702.59
  4. Step 4: Simplify right side
    12,462.18x = 162,686,779.60
  5. Step 5: Solve for x
    x = 162,686,779.60/12,462.18
  6. Step 6: Final answer
    x = 13,054.44

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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.