Home / 21,559.96-32,328.48-6,764.84

Finding the Fourth Proportional to 21,559.96, 32,328.48 and 6,764.84

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Solution

The fourth proportional to 21,559.96, 32,328.48 and 6,764.84 is: 10,143.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,559.96 : 32,328.48 = 6,764.84 : x
  2. Step 2: Convert to fraction form
    21,559.96/32,328.48 = 6,764.84/x
  3. Step 3: Cross multiply
    21,559.96x = 32,328.48 × 6,764.84
  4. Step 4: Simplify right side
    21,559.96x = 218,696,994.64
  5. Step 5: Solve for x
    x = 218,696,994.64/21,559.96
  6. Step 6: Final answer
    x = 10,143.66

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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.