Home / 9,012.34-13,518.51-3,391.07

Finding the Fourth Proportional to 9,012.34, 13,518.51 and 3,391.07

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Solution

The fourth proportional to 9,012.34, 13,518.51 and 3,391.07 is: 5,086.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,012.34 : 13,518.51 = 3,391.07 : x
  2. Step 2: Convert to fraction form
    9,012.34/13,518.51 = 3,391.07/x
  3. Step 3: Cross multiply
    9,012.34x = 13,518.51 × 3,391.07
  4. Step 4: Simplify right side
    9,012.34x = 45,842,138.17
  5. Step 5: Solve for x
    x = 45,842,138.17/9,012.34
  6. Step 6: Final answer
    x = 5,086.60

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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.