Home / 13,982.29-19,296.84-7,695.07

Finding the Fourth Proportional to 13,982.29, 19,296.84 and 7,695.07

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Solution

The fourth proportional to 13,982.29, 19,296.84 and 7,695.07 is: 10,619.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.29 : 19,296.84 = 7,695.07 : x
  2. Step 2: Convert to fraction form
    13,982.29/19,296.84 = 7,695.07/x
  3. Step 3: Cross multiply
    13,982.29x = 19,296.84 × 7,695.07
  4. Step 4: Simplify right side
    13,982.29x = 148,490,534.58
  5. Step 5: Solve for x
    x = 148,490,534.58/13,982.29
  6. Step 6: Final answer
    x = 10,619.90

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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.