Home / 12,128.29-16,737.29-7,096.36

Finding the Fourth Proportional to 12,128.29, 16,737.29 and 7,096.36

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Solution

The fourth proportional to 12,128.29, 16,737.29 and 7,096.36 is: 9,793.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,128.29 : 16,737.29 = 7,096.36 : x
  2. Step 2: Convert to fraction form
    12,128.29/16,737.29 = 7,096.36/x
  3. Step 3: Cross multiply
    12,128.29x = 16,737.29 × 7,096.36
  4. Step 4: Simplify right side
    12,128.29x = 118,773,835.26
  5. Step 5: Solve for x
    x = 118,773,835.26/12,128.29
  6. Step 6: Final answer
    x = 9,793.12

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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.