Home / 14,995.14-20,686.44-8,703.88

Finding the Fourth Proportional to 14,995.14, 20,686.44 and 8,703.88

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Solution

The fourth proportional to 14,995.14, 20,686.44 and 8,703.88 is: 12,007.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,995.14 : 20,686.44 = 8,703.88 : x
  2. Step 2: Convert to fraction form
    14,995.14/20,686.44 = 8,703.88/x
  3. Step 3: Cross multiply
    14,995.14x = 20,686.44 × 8,703.88
  4. Step 4: Simplify right side
    14,995.14x = 180,052,291.39
  5. Step 5: Solve for x
    x = 180,052,291.39/14,995.14
  6. Step 6: Final answer
    x = 12,007.38

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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.