Home / 13,536.16-20,316.55-9,402.73

Finding the Fourth Proportional to 13,536.16, 20,316.55 and 9,402.73

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Solution

The fourth proportional to 13,536.16, 20,316.55 and 9,402.73 is: 14,112.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,536.16 : 20,316.55 = 9,402.73 : x
  2. Step 2: Convert to fraction form
    13,536.16/20,316.55 = 9,402.73/x
  3. Step 3: Cross multiply
    13,536.16x = 20,316.55 × 9,402.73
  4. Step 4: Simplify right side
    13,536.16x = 191,031,065.35
  5. Step 5: Solve for x
    x = 191,031,065.35/13,536.16
  6. Step 6: Final answer
    x = 14,112.65

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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.