Home / 12,405.93-18,608.77-5,010.26

Finding the Fourth Proportional to 12,405.93, 18,608.77 and 5,010.26

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Solution

The fourth proportional to 12,405.93, 18,608.77 and 5,010.26 is: 7,515.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,405.93 : 18,608.77 = 5,010.26 : x
  2. Step 2: Convert to fraction form
    12,405.93/18,608.77 = 5,010.26/x
  3. Step 3: Cross multiply
    12,405.93x = 18,608.77 × 5,010.26
  4. Step 4: Simplify right side
    12,405.93x = 93,234,689.20
  5. Step 5: Solve for x
    x = 93,234,689.20/12,405.93
  6. Step 6: Final answer
    x = 7,515.33

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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.