Home / 14,561.12-20,088.63-8,186.27

Finding the Fourth Proportional to 14,561.12, 20,088.63 and 8,186.27

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Solution

The fourth proportional to 14,561.12, 20,088.63 and 8,186.27 is: 11,293.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,561.12 : 20,088.63 = 8,186.27 : x
  2. Step 2: Convert to fraction form
    14,561.12/20,088.63 = 8,186.27/x
  3. Step 3: Cross multiply
    14,561.12x = 20,088.63 × 8,186.27
  4. Step 4: Simplify right side
    14,561.12x = 164,450,848.67
  5. Step 5: Solve for x
    x = 164,450,848.67/14,561.12
  6. Step 6: Final answer
    x = 11,293.83

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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.