Home / 14,779.89-20,396.22-8,492.25

Finding the Fourth Proportional to 14,779.89, 20,396.22 and 8,492.25

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Solution

The fourth proportional to 14,779.89, 20,396.22 and 8,492.25 is: 11,719.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,779.89 : 20,396.22 = 8,492.25 : x
  2. Step 2: Convert to fraction form
    14,779.89/20,396.22 = 8,492.25/x
  3. Step 3: Cross multiply
    14,779.89x = 20,396.22 × 8,492.25
  4. Step 4: Simplify right side
    14,779.89x = 173,209,799.30
  5. Step 5: Solve for x
    x = 173,209,799.30/14,779.89
  6. Step 6: Final answer
    x = 11,719.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.