Home / 14,007.34-21,011.22-4,147.60

Finding the Fourth Proportional to 14,007.34, 21,011.22 and 4,147.60

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Solution

The fourth proportional to 14,007.34, 21,011.22 and 4,147.60 is: 6,221.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,007.34 : 21,011.22 = 4,147.60 : x
  2. Step 2: Convert to fraction form
    14,007.34/21,011.22 = 4,147.60/x
  3. Step 3: Cross multiply
    14,007.34x = 21,011.22 × 4,147.60
  4. Step 4: Simplify right side
    14,007.34x = 87,146,136.07
  5. Step 5: Solve for x
    x = 87,146,136.07/14,007.34
  6. Step 6: Final answer
    x = 6,221.46

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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.