Home / 13,370.63-18,450.93-7,401.94

Finding the Fourth Proportional to 13,370.63, 18,450.93 and 7,401.94

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Solution

The fourth proportional to 13,370.63, 18,450.93 and 7,401.94 is: 10,214.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,370.63 : 18,450.93 = 7,401.94 : x
  2. Step 2: Convert to fraction form
    13,370.63/18,450.93 = 7,401.94/x
  3. Step 3: Cross multiply
    13,370.63x = 18,450.93 × 7,401.94
  4. Step 4: Simplify right side
    13,370.63x = 136,572,676.80
  5. Step 5: Solve for x
    x = 136,572,676.80/13,370.63
  6. Step 6: Final answer
    x = 10,214.38

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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.