Home / 9,830.20-14,719.38-5,199.16

Finding the Fourth Proportional to 9,830.20, 14,719.38 and 5,199.16

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Solution

The fourth proportional to 9,830.20, 14,719.38 and 5,199.16 is: 7,785.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,830.20 : 14,719.38 = 5,199.16 : x
  2. Step 2: Convert to fraction form
    9,830.20/14,719.38 = 5,199.16/x
  3. Step 3: Cross multiply
    9,830.20x = 14,719.38 × 5,199.16
  4. Step 4: Simplify right side
    9,830.20x = 76,528,411.72
  5. Step 5: Solve for x
    x = 76,528,411.72/9,830.20
  6. Step 6: Final answer
    x = 7,785.03

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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.