Home / 14,341.05-21,508.32-5,453.21

Finding the Fourth Proportional to 14,341.05, 21,508.32 and 5,453.21

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Solution

The fourth proportional to 14,341.05, 21,508.32 and 5,453.21 is: 8,178.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,341.05 : 21,508.32 = 5,453.21 : x
  2. Step 2: Convert to fraction form
    14,341.05/21,508.32 = 5,453.21/x
  3. Step 3: Cross multiply
    14,341.05x = 21,508.32 × 5,453.21
  4. Step 4: Simplify right side
    14,341.05x = 117,289,385.71
  5. Step 5: Solve for x
    x = 117,289,385.71/14,341.05
  6. Step 6: Final answer
    x = 8,178.58

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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.