Home / 15,408.09-23,106.06-8,393.90

Finding the Fourth Proportional to 15,408.09, 23,106.06 and 8,393.90

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Solution

The fourth proportional to 15,408.09, 23,106.06 and 8,393.90 is: 12,587.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,408.09 : 23,106.06 = 8,393.90 : x
  2. Step 2: Convert to fraction form
    15,408.09/23,106.06 = 8,393.90/x
  3. Step 3: Cross multiply
    15,408.09x = 23,106.06 × 8,393.90
  4. Step 4: Simplify right side
    15,408.09x = 193,949,841.50
  5. Step 5: Solve for x
    x = 193,949,841.50/15,408.09
  6. Step 6: Final answer
    x = 12,587.53

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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.