Home / 13,948.70-20,923.04-3,560.45

Finding the Fourth Proportional to 13,948.70, 20,923.04 and 3,560.45

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Solution

The fourth proportional to 13,948.70, 20,923.04 and 3,560.45 is: 5,340.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,948.70 : 20,923.04 = 3,560.45 : x
  2. Step 2: Convert to fraction form
    13,948.70/20,923.04 = 3,560.45/x
  3. Step 3: Cross multiply
    13,948.70x = 20,923.04 × 3,560.45
  4. Step 4: Simplify right side
    13,948.70x = 74,495,342.05
  5. Step 5: Solve for x
    x = 74,495,342.05/13,948.70
  6. Step 6: Final answer
    x = 5,340.67

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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.