Home / 14,199.18-21,308.49-6,808.74

Finding the Fourth Proportional to 14,199.18, 21,308.49 and 6,808.74

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Solution

The fourth proportional to 14,199.18, 21,308.49 and 6,808.74 is: 10,217.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,199.18 : 21,308.49 = 6,808.74 : x
  2. Step 2: Convert to fraction form
    14,199.18/21,308.49 = 6,808.74/x
  3. Step 3: Cross multiply
    14,199.18x = 21,308.49 × 6,808.74
  4. Step 4: Simplify right side
    14,199.18x = 145,083,968.20
  5. Step 5: Solve for x
    x = 145,083,968.20/14,199.18
  6. Step 6: Final answer
    x = 10,217.77

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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.