Home / 43,328.91-64,997.06-12,164.16

Finding the Fourth Proportional to 43,328.91, 64,997.06 and 12,164.16

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Solution

The fourth proportional to 43,328.91, 64,997.06 and 12,164.16 is: 18,247.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,328.91 : 64,997.06 = 12,164.16 : x
  2. Step 2: Convert to fraction form
    43,328.91/64,997.06 = 12,164.16/x
  3. Step 3: Cross multiply
    43,328.91x = 64,997.06 × 12,164.16
  4. Step 4: Simplify right side
    43,328.91x = 790,634,576.55
  5. Step 5: Solve for x
    x = 790,634,576.55/43,328.91
  6. Step 6: Final answer
    x = 18,247.28

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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.