Home / 14,742.18-20,341.92-8,453.34

Finding the Fourth Proportional to 14,742.18, 20,341.92 and 8,453.34

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Solution

The fourth proportional to 14,742.18, 20,341.92 and 8,453.34 is: 11,664.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,742.18 : 20,341.92 = 8,453.34 : x
  2. Step 2: Convert to fraction form
    14,742.18/20,341.92 = 8,453.34/x
  3. Step 3: Cross multiply
    14,742.18x = 20,341.92 × 8,453.34
  4. Step 4: Simplify right side
    14,742.18x = 171,957,166.01
  5. Step 5: Solve for x
    x = 171,957,166.01/14,742.18
  6. Step 6: Final answer
    x = 11,664.30

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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.