Home / 25,110.51-34,654.66-13,782.20

Finding the Fourth Proportional to 25,110.51, 34,654.66 and 13,782.20

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Solution

The fourth proportional to 25,110.51, 34,654.66 and 13,782.20 is: 19,020.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,110.51 : 34,654.66 = 13,782.20 : x
  2. Step 2: Convert to fraction form
    25,110.51/34,654.66 = 13,782.20/x
  3. Step 3: Cross multiply
    25,110.51x = 34,654.66 × 13,782.20
  4. Step 4: Simplify right side
    25,110.51x = 477,617,455.05
  5. Step 5: Solve for x
    x = 477,617,455.05/25,110.51
  6. Step 6: Final answer
    x = 19,020.62

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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.