Home / 14,204.58-21,302.91-8,656.89

Finding the Fourth Proportional to 14,204.58, 21,302.91 and 8,656.89

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Solution

The fourth proportional to 14,204.58, 21,302.91 and 8,656.89 is: 12,982.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,204.58 : 21,302.91 = 8,656.89 : x
  2. Step 2: Convert to fraction form
    14,204.58/21,302.91 = 8,656.89/x
  3. Step 3: Cross multiply
    14,204.58x = 21,302.91 × 8,656.89
  4. Step 4: Simplify right side
    14,204.58x = 184,416,948.55
  5. Step 5: Solve for x
    x = 184,416,948.55/14,204.58
  6. Step 6: Final answer
    x = 12,982.92

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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.