Home / 13,967.82-19,283.76-9,717.66

Finding the Fourth Proportional to 13,967.82, 19,283.76 and 9,717.66

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Solution

The fourth proportional to 13,967.82, 19,283.76 and 9,717.66 is: 13,416.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,967.82 : 19,283.76 = 9,717.66 : x
  2. Step 2: Convert to fraction form
    13,967.82/19,283.76 = 9,717.66/x
  3. Step 3: Cross multiply
    13,967.82x = 19,283.76 × 9,717.66
  4. Step 4: Simplify right side
    13,967.82x = 187,393,023.20
  5. Step 5: Solve for x
    x = 187,393,023.20/13,967.82
  6. Step 6: Final answer
    x = 13,416.05

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1.5x scale

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.