Home / 14,722.30-20,321.34-9,058.78

Finding the Fourth Proportional to 14,722.30, 20,321.34 and 9,058.78

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Solution

The fourth proportional to 14,722.30, 20,321.34 and 9,058.78 is: 12,503.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,722.30 : 20,321.34 = 9,058.78 : x
  2. Step 2: Convert to fraction form
    14,722.30/20,321.34 = 9,058.78/x
  3. Step 3: Cross multiply
    14,722.30x = 20,321.34 × 9,058.78
  4. Step 4: Simplify right side
    14,722.30x = 184,086,548.37
  5. Step 5: Solve for x
    x = 184,086,548.37/14,722.30
  6. Step 6: Final answer
    x = 12,503.93

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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.