Home / 13,810.38-19,058.34-7,522.75

Finding the Fourth Proportional to 13,810.38, 19,058.34 and 7,522.75

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Solution

The fourth proportional to 13,810.38, 19,058.34 and 7,522.75 is: 10,381.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,810.38 : 19,058.34 = 7,522.75 : x
  2. Step 2: Convert to fraction form
    13,810.38/19,058.34 = 7,522.75/x
  3. Step 3: Cross multiply
    13,810.38x = 19,058.34 × 7,522.75
  4. Step 4: Simplify right side
    13,810.38x = 143,371,127.24
  5. Step 5: Solve for x
    x = 143,371,127.24/13,810.38
  6. Step 6: Final answer
    x = 10,381.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.