Home / 18,977.04-28,466.08-5,126

Finding the Fourth Proportional to 18,977.04, 28,466.08 and 5,126

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Solution

The fourth proportional to 18,977.04, 28,466.08 and 5,126 is: 7,689.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,977.04 : 28,466.08 = 5,126 : x
  2. Step 2: Convert to fraction form
    18,977.04/28,466.08 = 5,126/x
  3. Step 3: Cross multiply
    18,977.04x = 28,466.08 × 5,126
  4. Step 4: Simplify right side
    18,977.04x = 145,917,126.08
  5. Step 5: Solve for x
    x = 145,917,126.08/18,977.04
  6. Step 6: Final answer
    x = 7,689.14

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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.