Home / 13,634.12-20,444.63-8,088.18

Finding the Fourth Proportional to 13,634.12, 20,444.63 and 8,088.18

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Solution

The fourth proportional to 13,634.12, 20,444.63 and 8,088.18 is: 12,128.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,634.12 : 20,444.63 = 8,088.18 : x
  2. Step 2: Convert to fraction form
    13,634.12/20,444.63 = 8,088.18/x
  3. Step 3: Cross multiply
    13,634.12x = 20,444.63 × 8,088.18
  4. Step 4: Simplify right side
    13,634.12x = 165,359,807.03
  5. Step 5: Solve for x
    x = 165,359,807.03/13,634.12
  6. Step 6: Final answer
    x = 12,128.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.