Home / 10,018.29-15,017.43-4,743.96

Finding the Fourth Proportional to 10,018.29, 15,017.43 and 4,743.96

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Solution

The fourth proportional to 10,018.29, 15,017.43 and 4,743.96 is: 7,111.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,018.29 : 15,017.43 = 4,743.96 : x
  2. Step 2: Convert to fraction form
    10,018.29/15,017.43 = 4,743.96/x
  3. Step 3: Cross multiply
    10,018.29x = 15,017.43 × 4,743.96
  4. Step 4: Simplify right side
    10,018.29x = 71,242,087.22
  5. Step 5: Solve for x
    x = 71,242,087.22/10,018.29
  6. Step 6: Final answer
    x = 7,111.20

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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.