Home / 12,127.40-16,730.64-6,950.54

Finding the Fourth Proportional to 12,127.40, 16,730.64 and 6,950.54

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Solution

The fourth proportional to 12,127.40, 16,730.64 and 6,950.54 is: 9,588.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,127.40 : 16,730.64 = 6,950.54 : x
  2. Step 2: Convert to fraction form
    12,127.40/16,730.64 = 6,950.54/x
  3. Step 3: Cross multiply
    12,127.40x = 16,730.64 × 6,950.54
  4. Step 4: Simplify right side
    12,127.40x = 116,286,898.89
  5. Step 5: Solve for x
    x = 116,286,898.89/12,127.40
  6. Step 6: Final answer
    x = 9,588.77

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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.