Home / 14,820.99-20,452.96-8,106.63

Finding the Fourth Proportional to 14,820.99, 20,452.96 and 8,106.63

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Solution

The fourth proportional to 14,820.99, 20,452.96 and 8,106.63 is: 11,187.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,820.99 : 20,452.96 = 8,106.63 : x
  2. Step 2: Convert to fraction form
    14,820.99/20,452.96 = 8,106.63/x
  3. Step 3: Cross multiply
    14,820.99x = 20,452.96 × 8,106.63
  4. Step 4: Simplify right side
    14,820.99x = 165,804,579.12
  5. Step 5: Solve for x
    x = 165,804,579.12/14,820.99
  6. Step 6: Final answer
    x = 11,187.15

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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.