Home / 14,961.16-20,636.94-10,703.80

Finding the Fourth Proportional to 14,961.16, 20,636.94 and 10,703.80

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Solution

The fourth proportional to 14,961.16, 20,636.94 and 10,703.80 is: 14,764.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,961.16 : 20,636.94 = 10,703.80 : x
  2. Step 2: Convert to fraction form
    14,961.16/20,636.94 = 10,703.80/x
  3. Step 3: Cross multiply
    14,961.16x = 20,636.94 × 10,703.80
  4. Step 4: Simplify right side
    14,961.16x = 220,893,678.37
  5. Step 5: Solve for x
    x = 220,893,678.37/14,961.16
  6. Step 6: Final answer
    x = 14,764.48

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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.