Home / 9,401.80-14,102.70-6,777.40

Finding the Fourth Proportional to 9,401.80, 14,102.70 and 6,777.40

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Solution

The fourth proportional to 9,401.80, 14,102.70 and 6,777.40 is: 10,166.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,401.80 : 14,102.70 = 6,777.40 : x
  2. Step 2: Convert to fraction form
    9,401.80/14,102.70 = 6,777.40/x
  3. Step 3: Cross multiply
    9,401.80x = 14,102.70 × 6,777.40
  4. Step 4: Simplify right side
    9,401.80x = 95,579,638.98
  5. Step 5: Solve for x
    x = 95,579,638.98/9,401.80
  6. Step 6: Final answer
    x = 10,166.10

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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.