Home / 21,484.98-32,189.33-8,977.43

Finding the Fourth Proportional to 21,484.98, 32,189.33 and 8,977.43

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Solution

The fourth proportional to 21,484.98, 32,189.33 and 8,977.43 is: 13,450.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,484.98 : 32,189.33 = 8,977.43 : x
  2. Step 2: Convert to fraction form
    21,484.98/32,189.33 = 8,977.43/x
  3. Step 3: Cross multiply
    21,484.98x = 32,189.33 × 8,977.43
  4. Step 4: Simplify right side
    21,484.98x = 288,977,559.74
  5. Step 5: Solve for x
    x = 288,977,559.74/21,484.98
  6. Step 6: Final answer
    x = 13,450.21

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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.