Home / 14,999.13-22,505.18-8,415.45

Finding the Fourth Proportional to 14,999.13, 22,505.18 and 8,415.45

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Solution

The fourth proportional to 14,999.13, 22,505.18 and 8,415.45 is: 12,626.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,999.13 : 22,505.18 = 8,415.45 : x
  2. Step 2: Convert to fraction form
    14,999.13/22,505.18 = 8,415.45/x
  3. Step 3: Cross multiply
    14,999.13x = 22,505.18 × 8,415.45
  4. Step 4: Simplify right side
    14,999.13x = 189,391,174.95
  5. Step 5: Solve for x
    x = 189,391,174.95/14,999.13
  6. Step 6: Final answer
    x = 12,626.81

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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.