Home / 13,670.04-18,864.60-8,005.85

Finding the Fourth Proportional to 13,670.04, 18,864.60 and 8,005.85

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Solution

The fourth proportional to 13,670.04, 18,864.60 and 8,005.85 is: 11,048.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,670.04 : 18,864.60 = 8,005.85 : x
  2. Step 2: Convert to fraction form
    13,670.04/18,864.60 = 8,005.85/x
  3. Step 3: Cross multiply
    13,670.04x = 18,864.60 × 8,005.85
  4. Step 4: Simplify right side
    13,670.04x = 151,027,063.59
  5. Step 5: Solve for x
    x = 151,027,063.59/13,670.04
  6. Step 6: Final answer
    x = 11,048.03

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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.