Home / 21,273.55-31,914.93-6,482.08

Finding the Fourth Proportional to 21,273.55, 31,914.93 and 6,482.08

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Solution

The fourth proportional to 21,273.55, 31,914.93 and 6,482.08 is: 9,724.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,273.55 : 31,914.93 = 6,482.08 : x
  2. Step 2: Convert to fraction form
    21,273.55/31,914.93 = 6,482.08/x
  3. Step 3: Cross multiply
    21,273.55x = 31,914.93 × 6,482.08
  4. Step 4: Simplify right side
    21,273.55x = 206,875,129.45
  5. Step 5: Solve for x
    x = 206,875,129.45/21,273.55
  6. Step 6: Final answer
    x = 9,724.52

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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.