Home / 14,511.83-20,021.63-8,137.53

Finding the Fourth Proportional to 14,511.83, 20,021.63 and 8,137.53

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Solution

The fourth proportional to 14,511.83, 20,021.63 and 8,137.53 is: 11,227.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,511.83 : 20,021.63 = 8,137.53 : x
  2. Step 2: Convert to fraction form
    14,511.83/20,021.63 = 8,137.53/x
  3. Step 3: Cross multiply
    14,511.83x = 20,021.63 × 8,137.53
  4. Step 4: Simplify right side
    14,511.83x = 162,926,574.09
  5. Step 5: Solve for x
    x = 162,926,574.09/14,511.83
  6. Step 6: Final answer
    x = 11,227.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.