Home / 9,420.16-14,129.60-3,262.08

Finding the Fourth Proportional to 9,420.16, 14,129.60 and 3,262.08

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Solution

The fourth proportional to 9,420.16, 14,129.60 and 3,262.08 is: 4,892.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,420.16 : 14,129.60 = 3,262.08 : x
  2. Step 2: Convert to fraction form
    9,420.16/14,129.60 = 3,262.08/x
  3. Step 3: Cross multiply
    9,420.16x = 14,129.60 × 3,262.08
  4. Step 4: Simplify right side
    9,420.16x = 46,091,885.57
  5. Step 5: Solve for x
    x = 46,091,885.57/9,420.16
  6. Step 6: Final answer
    x = 4,892.90

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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.