Home / 14,137.71-19,511.58-8,088.50

Finding the Fourth Proportional to 14,137.71, 19,511.58 and 8,088.50

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Solution

The fourth proportional to 14,137.71, 19,511.58 and 8,088.50 is: 11,163.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,137.71 : 19,511.58 = 8,088.50 : x
  2. Step 2: Convert to fraction form
    14,137.71/19,511.58 = 8,088.50/x
  3. Step 3: Cross multiply
    14,137.71x = 19,511.58 × 8,088.50
  4. Step 4: Simplify right side
    14,137.71x = 157,819,414.83
  5. Step 5: Solve for x
    x = 157,819,414.83/14,137.71
  6. Step 6: Final answer
    x = 11,163.01

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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.