Home / 13,313.93-18,374.11-7,650.51

Finding the Fourth Proportional to 13,313.93, 18,374.11 and 7,650.51

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Solution

The fourth proportional to 13,313.93, 18,374.11 and 7,650.51 is: 10,558.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,313.93 : 18,374.11 = 7,650.51 : x
  2. Step 2: Convert to fraction form
    13,313.93/18,374.11 = 7,650.51/x
  3. Step 3: Cross multiply
    13,313.93x = 18,374.11 × 7,650.51
  4. Step 4: Simplify right side
    13,313.93x = 140,571,224.27
  5. Step 5: Solve for x
    x = 140,571,224.27/13,313.93
  6. Step 6: Final answer
    x = 10,558.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.