Home / 17,913.05-26,869.12-4,765.53

Finding the Fourth Proportional to 17,913.05, 26,869.12 and 4,765.53

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Solution

The fourth proportional to 17,913.05, 26,869.12 and 4,765.53 is: 7,148.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    17,913.05 : 26,869.12 = 4,765.53 : x
  2. Step 2: Convert to fraction form
    17,913.05/26,869.12 = 4,765.53/x
  3. Step 3: Cross multiply
    17,913.05x = 26,869.12 × 4,765.53
  4. Step 4: Simplify right side
    17,913.05x = 128,045,686.28
  5. Step 5: Solve for x
    x = 128,045,686.28/17,913.05
  6. Step 6: Final answer
    x = 7,148.18

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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.