Home / 18,800.34-28,199.48-6,319.08

Finding the Fourth Proportional to 18,800.34, 28,199.48 and 6,319.08

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Solution

The fourth proportional to 18,800.34, 28,199.48 and 6,319.08 is: 9,478.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,800.34 : 28,199.48 = 6,319.08 : x
  2. Step 2: Convert to fraction form
    18,800.34/28,199.48 = 6,319.08/x
  3. Step 3: Cross multiply
    18,800.34x = 28,199.48 × 6,319.08
  4. Step 4: Simplify right side
    18,800.34x = 178,194,597.49
  5. Step 5: Solve for x
    x = 178,194,597.49/18,800.34
  6. Step 6: Final answer
    x = 9,478.26

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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.