Home / 43,174.09-64,762.35-12,009.34

Finding the Fourth Proportional to 43,174.09, 64,762.35 and 12,009.34

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Solution

The fourth proportional to 43,174.09, 64,762.35 and 12,009.34 is: 18,014.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,174.09 : 64,762.35 = 12,009.34 : x
  2. Step 2: Convert to fraction form
    43,174.09/64,762.35 = 12,009.34/x
  3. Step 3: Cross multiply
    43,174.09x = 64,762.35 × 12,009.34
  4. Step 4: Simplify right side
    43,174.09x = 777,753,080.35
  5. Step 5: Solve for x
    x = 777,753,080.35/43,174.09
  6. Step 6: Final answer
    x = 18,014.35

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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.