Home / 13,501.96-18,636.66-8,536.84

Finding the Fourth Proportional to 13,501.96, 18,636.66 and 8,536.84

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Solution

The fourth proportional to 13,501.96, 18,636.66 and 8,536.84 is: 11,783.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,501.96 : 18,636.66 = 8,536.84 : x
  2. Step 2: Convert to fraction form
    13,501.96/18,636.66 = 8,536.84/x
  3. Step 3: Cross multiply
    13,501.96x = 18,636.66 × 8,536.84
  4. Step 4: Simplify right side
    13,501.96x = 159,098,184.55
  5. Step 5: Solve for x
    x = 159,098,184.55/13,501.96
  6. Step 6: Final answer
    x = 11,783.34

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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.