Home / 12,103.94-16,705.77-10,110.98

Finding the Fourth Proportional to 12,103.94, 16,705.77 and 10,110.98

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Solution

The fourth proportional to 12,103.94, 16,705.77 and 10,110.98 is: 13,955.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,103.94 : 16,705.77 = 10,110.98 : x
  2. Step 2: Convert to fraction form
    12,103.94/16,705.77 = 10,110.98/x
  3. Step 3: Cross multiply
    12,103.94x = 16,705.77 × 10,110.98
  4. Step 4: Simplify right side
    12,103.94x = 168,911,706.35
  5. Step 5: Solve for x
    x = 168,911,706.35/12,103.94
  6. Step 6: Final answer
    x = 13,955.10

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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.