Home / 13,981.11-19,293.26-7,693.35

Finding the Fourth Proportional to 13,981.11, 19,293.26 and 7,693.35

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Solution

The fourth proportional to 13,981.11, 19,293.26 and 7,693.35 is: 10,616.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,981.11 : 19,293.26 = 7,693.35 : x
  2. Step 2: Convert to fraction form
    13,981.11/19,293.26 = 7,693.35/x
  3. Step 3: Cross multiply
    13,981.11x = 19,293.26 × 7,693.35
  4. Step 4: Simplify right side
    13,981.11x = 148,429,763.35
  5. Step 5: Solve for x
    x = 148,429,763.35/13,981.11
  6. Step 6: Final answer
    x = 10,616.45

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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.