Home / 12,127.15-16,735.21-7,094.35

Finding the Fourth Proportional to 12,127.15, 16,735.21 and 7,094.35

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Solution

The fourth proportional to 12,127.15, 16,735.21 and 7,094.35 is: 9,790.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.15 : 16,735.21 = 7,094.35 : x
  2. Step 2: Convert to fraction form
    12,127.15/16,735.21 = 7,094.35/x
  3. Step 3: Cross multiply
    12,127.15x = 16,735.21 × 7,094.35
  4. Step 4: Simplify right side
    12,127.15x = 118,725,353.39
  5. Step 5: Solve for x
    x = 118,725,353.39/12,127.15
  6. Step 6: Final answer
    x = 9,790.05

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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.