Home / 13,982.88-19,295.90-7,695.24

Finding the Fourth Proportional to 13,982.88, 19,295.90 and 7,695.24

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Solution

The fourth proportional to 13,982.88, 19,295.90 and 7,695.24 is: 10,619.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,982.88 : 19,295.90 = 7,695.24 : x
  2. Step 2: Convert to fraction form
    13,982.88/19,295.90 = 7,695.24/x
  3. Step 3: Cross multiply
    13,982.88x = 19,295.90 × 7,695.24
  4. Step 4: Simplify right side
    13,982.88x = 148,486,581.52
  5. Step 5: Solve for x
    x = 148,486,581.52/13,982.88
  6. Step 6: Final answer
    x = 10,619.17

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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.