Home / 14,065.44-21,099.60-5,307.72

Finding the Fourth Proportional to 14,065.44, 21,099.60 and 5,307.72

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Solution

The fourth proportional to 14,065.44, 21,099.60 and 5,307.72 is: 7,962.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,065.44 : 21,099.60 = 5,307.72 : x
  2. Step 2: Convert to fraction form
    14,065.44/21,099.60 = 5,307.72/x
  3. Step 3: Cross multiply
    14,065.44x = 21,099.60 × 5,307.72
  4. Step 4: Simplify right side
    14,065.44x = 111,990,768.91
  5. Step 5: Solve for x
    x = 111,990,768.91/14,065.44
  6. Step 6: Final answer
    x = 7,962.12

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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.