Home / 12,342.02-18,517.66-7,347.27

Finding the Fourth Proportional to 12,342.02, 18,517.66 and 7,347.27

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Solution

The fourth proportional to 12,342.02, 18,517.66 and 7,347.27 is: 11,023.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,342.02 : 18,517.66 = 7,347.27 : x
  2. Step 2: Convert to fraction form
    12,342.02/18,517.66 = 7,347.27/x
  3. Step 3: Cross multiply
    12,342.02x = 18,517.66 × 7,347.27
  4. Step 4: Simplify right side
    12,342.02x = 136,054,340.19
  5. Step 5: Solve for x
    x = 136,054,340.19/12,342.02
  6. Step 6: Final answer
    x = 11,023.67

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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.