Home / 12,090.30-18,145.11-4,698.24

Finding the Fourth Proportional to 12,090.30, 18,145.11 and 4,698.24

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Solution

The fourth proportional to 12,090.30, 18,145.11 and 4,698.24 is: 7,051.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090.30 : 18,145.11 = 4,698.24 : x
  2. Step 2: Convert to fraction form
    12,090.30/18,145.11 = 4,698.24/x
  3. Step 3: Cross multiply
    12,090.30x = 18,145.11 × 4,698.24
  4. Step 4: Simplify right side
    12,090.30x = 85,250,081.61
  5. Step 5: Solve for x
    x = 85,250,081.61/12,090.30
  6. Step 6: Final answer
    x = 7,051.11

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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.