Home / 11,148.19-16,722.65-4,129.98

Finding the Fourth Proportional to 11,148.19, 16,722.65 and 4,129.98

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Solution

The fourth proportional to 11,148.19, 16,722.65 and 4,129.98 is: 6,195.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,148.19 : 16,722.65 = 4,129.98 : x
  2. Step 2: Convert to fraction form
    11,148.19/16,722.65 = 4,129.98/x
  3. Step 3: Cross multiply
    11,148.19x = 16,722.65 × 4,129.98
  4. Step 4: Simplify right side
    11,148.19x = 69,064,210.05
  5. Step 5: Solve for x
    x = 69,064,210.05/11,148.19
  6. Step 6: Final answer
    x = 6,195.11

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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.