Home / 20,734.59-28,613.66-11,303.67

Finding the Fourth Proportional to 20,734.59, 28,613.66 and 11,303.67

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Solution

The fourth proportional to 20,734.59, 28,613.66 and 11,303.67 is: 15,599.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734.59 : 28,613.66 = 11,303.67 : x
  2. Step 2: Convert to fraction form
    20,734.59/28,613.66 = 11,303.67/x
  3. Step 3: Cross multiply
    20,734.59x = 28,613.66 × 11,303.67
  4. Step 4: Simplify right side
    20,734.59x = 323,439,313.61
  5. Step 5: Solve for x
    x = 323,439,313.61/20,734.59
  6. Step 6: Final answer
    x = 15,599.02

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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.