Home / 13,023.65-19,539.66-4,256.57

Finding the Fourth Proportional to 13,023.65, 19,539.66 and 4,256.57

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Solution

The fourth proportional to 13,023.65, 19,539.66 and 4,256.57 is: 6,386.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,023.65 : 19,539.66 = 4,256.57 : x
  2. Step 2: Convert to fraction form
    13,023.65/19,539.66 = 4,256.57/x
  3. Step 3: Cross multiply
    13,023.65x = 19,539.66 × 4,256.57
  4. Step 4: Simplify right side
    13,023.65x = 83,171,930.57
  5. Step 5: Solve for x
    x = 83,171,930.57/13,023.65
  6. Step 6: Final answer
    x = 6,386.22

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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.