Home / 12,985.26-19,486.52-4,777.26

Finding the Fourth Proportional to 12,985.26, 19,486.52 and 4,777.26

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Solution

The fourth proportional to 12,985.26, 19,486.52 and 4,777.26 is: 7,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,985.26 : 19,486.52 = 4,777.26 : x
  2. Step 2: Convert to fraction form
    12,985.26/19,486.52 = 4,777.26/x
  3. Step 3: Cross multiply
    12,985.26x = 19,486.52 × 4,777.26
  4. Step 4: Simplify right side
    12,985.26x = 93,092,172.54
  5. Step 5: Solve for x
    x = 93,092,172.54/12,985.26
  6. Step 6: Final answer
    x = 7,169.06

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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.