Home / 14,421.22-21,645.32-8,885.40

Finding the Fourth Proportional to 14,421.22, 21,645.32 and 8,885.40

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Solution

The fourth proportional to 14,421.22, 21,645.32 and 8,885.40 is: 13,336.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,421.22 : 21,645.32 = 8,885.40 : x
  2. Step 2: Convert to fraction form
    14,421.22/21,645.32 = 8,885.40/x
  3. Step 3: Cross multiply
    14,421.22x = 21,645.32 × 8,885.40
  4. Step 4: Simplify right side
    14,421.22x = 192,327,326.33
  5. Step 5: Solve for x
    x = 192,327,326.33/14,421.22
  6. Step 6: Final answer
    x = 13,336.41

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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.