Home / 12,134.95-16,736.86-10,640.36

Finding the Fourth Proportional to 12,134.95, 16,736.86 and 10,640.36

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Solution

The fourth proportional to 12,134.95, 16,736.86 and 10,640.36 is: 14,675.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,134.95 : 16,736.86 = 10,640.36 : x
  2. Step 2: Convert to fraction form
    12,134.95/16,736.86 = 10,640.36/x
  3. Step 3: Cross multiply
    12,134.95x = 16,736.86 × 10,640.36
  4. Step 4: Simplify right side
    12,134.95x = 178,086,215.67
  5. Step 5: Solve for x
    x = 178,086,215.67/12,134.95
  6. Step 6: Final answer
    x = 14,675.48

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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.