Home / 12,434.72-17,151.36-11,903.36

Finding the Fourth Proportional to 12,434.72, 17,151.36 and 11,903.36

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Solution

The fourth proportional to 12,434.72, 17,151.36 and 11,903.36 is: 16,418.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,434.72 : 17,151.36 = 11,903.36 : x
  2. Step 2: Convert to fraction form
    12,434.72/17,151.36 = 11,903.36/x
  3. Step 3: Cross multiply
    12,434.72x = 17,151.36 × 11,903.36
  4. Step 4: Simplify right side
    12,434.72x = 204,158,812.57
  5. Step 5: Solve for x
    x = 204,158,812.57/12,434.72
  6. Step 6: Final answer
    x = 16,418.45

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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.