Home / 13,118.40-19,675.44-6,537.60

Finding the Fourth Proportional to 13,118.40, 19,675.44 and 6,537.60

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Solution

The fourth proportional to 13,118.40, 19,675.44 and 6,537.60 is: 9,805.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,118.40 : 19,675.44 = 6,537.60 : x
  2. Step 2: Convert to fraction form
    13,118.40/19,675.44 = 6,537.60/x
  3. Step 3: Cross multiply
    13,118.40x = 19,675.44 × 6,537.60
  4. Step 4: Simplify right side
    13,118.40x = 128,630,156.54
  5. Step 5: Solve for x
    x = 128,630,156.54/13,118.40
  6. Step 6: Final answer
    x = 9,805.32

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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.