Home / 10,403.43-15,605.16-2,612.22

Finding the Fourth Proportional to 10,403.43, 15,605.16 and 2,612.22

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Solution

The fourth proportional to 10,403.43, 15,605.16 and 2,612.22 is: 3,918.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,403.43 : 15,605.16 = 2,612.22 : x
  2. Step 2: Convert to fraction form
    10,403.43/15,605.16 = 2,612.22/x
  3. Step 3: Cross multiply
    10,403.43x = 15,605.16 × 2,612.22
  4. Step 4: Simplify right side
    10,403.43x = 40,764,111.06
  5. Step 5: Solve for x
    x = 40,764,111.06/10,403.43
  6. Step 6: Final answer
    x = 3,918.33

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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.