Home / 19,782.18-27,300.06-10,829.66

Finding the Fourth Proportional to 19,782.18, 27,300.06 and 10,829.66

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Solution

The fourth proportional to 19,782.18, 27,300.06 and 10,829.66 is: 14,945.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,782.18 : 27,300.06 = 10,829.66 : x
  2. Step 2: Convert to fraction form
    19,782.18/27,300.06 = 10,829.66/x
  3. Step 3: Cross multiply
    19,782.18x = 27,300.06 × 10,829.66
  4. Step 4: Simplify right side
    19,782.18x = 295,650,231.28
  5. Step 5: Solve for x
    x = 295,650,231.28/19,782.18
  6. Step 6: Final answer
    x = 14,945.28

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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.