Home / 17,913.18-26,868.15-4,765.05

Finding the Fourth Proportional to 17,913.18, 26,868.15 and 4,765.05

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Solution

The fourth proportional to 17,913.18, 26,868.15 and 4,765.05 is: 7,147.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913.18 : 26,868.15 = 4,765.05 : x
  2. Step 2: Convert to fraction form
    17,913.18/26,868.15 = 4,765.05/x
  3. Step 3: Cross multiply
    17,913.18x = 26,868.15 × 4,765.05
  4. Step 4: Simplify right side
    17,913.18x = 128,028,078.16
  5. Step 5: Solve for x
    x = 128,028,078.16/17,913.18
  6. Step 6: Final answer
    x = 7,147.14

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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.