Home / 30,887.67-46,313.96-12,157.56

Finding the Fourth Proportional to 30,887.67, 46,313.96 and 12,157.56

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Solution

The fourth proportional to 30,887.67, 46,313.96 and 12,157.56 is: 18,229.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,887.67 : 46,313.96 = 12,157.56 : x
  2. Step 2: Convert to fraction form
    30,887.67/46,313.96 = 12,157.56/x
  3. Step 3: Cross multiply
    30,887.67x = 46,313.96 × 12,157.56
  4. Step 4: Simplify right side
    30,887.67x = 563,064,732.34
  5. Step 5: Solve for x
    x = 563,064,732.34/30,887.67
  6. Step 6: Final answer
    x = 18,229.43

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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.