Home / 20,734.58-28,613.86-11,303.15

Finding the Fourth Proportional to 20,734.58, 28,613.86 and 11,303.15

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Solution

The fourth proportional to 20,734.58, 28,613.86 and 11,303.15 is: 15,598.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,734.58 : 28,613.86 = 11,303.15 : x
  2. Step 2: Convert to fraction form
    20,734.58/28,613.86 = 11,303.15/x
  3. Step 3: Cross multiply
    20,734.58x = 28,613.86 × 11,303.15
  4. Step 4: Simplify right side
    20,734.58x = 323,426,580.33
  5. Step 5: Solve for x
    x = 323,426,580.33/20,734.58
  6. Step 6: Final answer
    x = 15,598.41

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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.