Home / 12,024.79-18,031.50-7,028.60

Finding the Fourth Proportional to 12,024.79, 18,031.50 and 7,028.60

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Solution

The fourth proportional to 12,024.79, 18,031.50 and 7,028.60 is: 10,539.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,024.79 : 18,031.50 = 7,028.60 : x
  2. Step 2: Convert to fraction form
    12,024.79/18,031.50 = 7,028.60/x
  3. Step 3: Cross multiply
    12,024.79x = 18,031.50 × 7,028.60
  4. Step 4: Simplify right side
    12,024.79x = 126,736,110.74
  5. Step 5: Solve for x
    x = 126,736,110.74/12,024.79
  6. Step 6: Final answer
    x = 10,539.57

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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.