Home / 14,712.04-20,309.16-8,745.64

Finding the Fourth Proportional to 14,712.04, 20,309.16 and 8,745.64

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Solution

The fourth proportional to 14,712.04, 20,309.16 and 8,745.64 is: 12,072.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,712.04 : 20,309.16 = 8,745.64 : x
  2. Step 2: Convert to fraction form
    14,712.04/20,309.16 = 8,745.64/x
  3. Step 3: Cross multiply
    14,712.04x = 20,309.16 × 8,745.64
  4. Step 4: Simplify right side
    14,712.04x = 177,616,602.06
  5. Step 5: Solve for x
    x = 177,616,602.06/14,712.04
  6. Step 6: Final answer
    x = 12,072.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.