Home / 9,343.20-14,012.10-3,419.40

Finding the Fourth Proportional to 9,343.20, 14,012.10 and 3,419.40

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Solution

The fourth proportional to 9,343.20, 14,012.10 and 3,419.40 is: 5,128.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,343.20 : 14,012.10 = 3,419.40 : x
  2. Step 2: Convert to fraction form
    9,343.20/14,012.10 = 3,419.40/x
  3. Step 3: Cross multiply
    9,343.20x = 14,012.10 × 3,419.40
  4. Step 4: Simplify right side
    9,343.20x = 47,912,974.74
  5. Step 5: Solve for x
    x = 47,912,974.74/9,343.20
  6. Step 6: Final answer
    x = 5,128.11

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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.