Home / 20,099.19-30,150.23-5,307.96

Finding the Fourth Proportional to 20,099.19, 30,150.23 and 5,307.96

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Solution

The fourth proportional to 20,099.19, 30,150.23 and 5,307.96 is: 7,962.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,099.19 : 30,150.23 = 5,307.96 : x
  2. Step 2: Convert to fraction form
    20,099.19/30,150.23 = 5,307.96/x
  3. Step 3: Cross multiply
    20,099.19x = 30,150.23 × 5,307.96
  4. Step 4: Simplify right side
    20,099.19x = 160,036,188.29
  5. Step 5: Solve for x
    x = 160,036,188.29/20,099.19
  6. Step 6: Final answer
    x = 7,962.32

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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.