Home / 12,000.48-18,010.36-5,427.24

Finding the Fourth Proportional to 12,000.48, 18,010.36 and 5,427.24

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Solution

The fourth proportional to 12,000.48, 18,010.36 and 5,427.24 is: 8,145.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,000.48 : 18,010.36 = 5,427.24 : x
  2. Step 2: Convert to fraction form
    12,000.48/18,010.36 = 5,427.24/x
  3. Step 3: Cross multiply
    12,000.48x = 18,010.36 × 5,427.24
  4. Step 4: Simplify right side
    12,000.48x = 97,746,546.21
  5. Step 5: Solve for x
    x = 97,746,546.21/12,000.48
  6. Step 6: Final answer
    x = 8,145.22

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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.