Home / 14,347.32-21,516.12-5,460.54

Finding the Fourth Proportional to 14,347.32, 21,516.12 and 5,460.54

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Solution

The fourth proportional to 14,347.32, 21,516.12 and 5,460.54 is: 8,188.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,347.32 : 21,516.12 = 5,460.54 : x
  2. Step 2: Convert to fraction form
    14,347.32/21,516.12 = 5,460.54/x
  3. Step 3: Cross multiply
    14,347.32x = 21,516.12 × 5,460.54
  4. Step 4: Simplify right side
    14,347.32x = 117,489,633.90
  5. Step 5: Solve for x
    x = 117,489,633.90/14,347.32
  6. Step 6: Final answer
    x = 8,188.96

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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.