Home / 21,899.34-32,853.87-6,315.75

Finding the Fourth Proportional to 21,899.34, 32,853.87 and 6,315.75

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Solution

The fourth proportional to 21,899.34, 32,853.87 and 6,315.75 is: 9,475.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,899.34 : 32,853.87 = 6,315.75 : x
  2. Step 2: Convert to fraction form
    21,899.34/32,853.87 = 6,315.75/x
  3. Step 3: Cross multiply
    21,899.34x = 32,853.87 × 6,315.75
  4. Step 4: Simplify right side
    21,899.34x = 207,496,829.45
  5. Step 5: Solve for x
    x = 207,496,829.45/21,899.34
  6. Step 6: Final answer
    x = 9,475.03

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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.