Home / 13,902.45-20,853.49-5,582.32

Finding the Fourth Proportional to 13,902.45, 20,853.49 and 5,582.32

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Solution

The fourth proportional to 13,902.45, 20,853.49 and 5,582.32 is: 8,373.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,902.45 : 20,853.49 = 5,582.32 : x
  2. Step 2: Convert to fraction form
    13,902.45/20,853.49 = 5,582.32/x
  3. Step 3: Cross multiply
    13,902.45x = 20,853.49 × 5,582.32
  4. Step 4: Simplify right side
    13,902.45x = 116,410,750.03
  5. Step 5: Solve for x
    x = 116,410,750.03/13,902.45
  6. Step 6: Final answer
    x = 8,373.40

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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.