Home / 12,090.23-18,124.40-4,297.22

Finding the Fourth Proportional to 12,090.23, 18,124.40 and 4,297.22

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Solution

The fourth proportional to 12,090.23, 18,124.40 and 4,297.22 is: 6,441.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,090.23 : 18,124.40 = 4,297.22 : x
  2. Step 2: Convert to fraction form
    12,090.23/18,124.40 = 4,297.22/x
  3. Step 3: Cross multiply
    12,090.23x = 18,124.40 × 4,297.22
  4. Step 4: Simplify right side
    12,090.23x = 77,884,422.06
  5. Step 5: Solve for x
    x = 77,884,422.06/12,090.23
  6. Step 6: Final answer
    x = 6,441.93

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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.