Home / 20,643.81-30,965.59-5,852.73

Finding the Fourth Proportional to 20,643.81, 30,965.59 and 5,852.73

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Solution

The fourth proportional to 20,643.81, 30,965.59 and 5,852.73 is: 8,779.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,643.81 : 30,965.59 = 5,852.73 : x
  2. Step 2: Convert to fraction form
    20,643.81/30,965.59 = 5,852.73/x
  3. Step 3: Cross multiply
    20,643.81x = 30,965.59 × 5,852.73
  4. Step 4: Simplify right side
    20,643.81x = 181,233,273.91
  5. Step 5: Solve for x
    x = 181,233,273.91/20,643.81
  6. Step 6: Final answer
    x = 8,779.06

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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.