Home / 20,199.04-30,296.41-5,409.45

Finding the Fourth Proportional to 20,199.04, 30,296.41 and 5,409.45

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Solution

The fourth proportional to 20,199.04, 30,296.41 and 5,409.45 is: 8,113.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,199.04 : 30,296.41 = 5,409.45 : x
  2. Step 2: Convert to fraction form
    20,199.04/30,296.41 = 5,409.45/x
  3. Step 3: Cross multiply
    20,199.04x = 30,296.41 × 5,409.45
  4. Step 4: Simplify right side
    20,199.04x = 163,886,915.07
  5. Step 5: Solve for x
    x = 163,886,915.07/20,199.04
  6. Step 6: Final answer
    x = 8,113.60

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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.