Home / 11,347.60-16,999.80-6,725.20

Finding the Fourth Proportional to 11,347.60, 16,999.80 and 6,725.20

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Solution

The fourth proportional to 11,347.60, 16,999.80 and 6,725.20 is: 10,075.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,347.60 : 16,999.80 = 6,725.20 : x
  2. Step 2: Convert to fraction form
    11,347.60/16,999.80 = 6,725.20/x
  3. Step 3: Cross multiply
    11,347.60x = 16,999.80 × 6,725.20
  4. Step 4: Simplify right side
    11,347.60x = 114,327,054.96
  5. Step 5: Solve for x
    x = 114,327,054.96/11,347.60
  6. Step 6: Final answer
    x = 10,075.00

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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.