Home / 25,134.80-34,686.99-13,804.79

Finding the Fourth Proportional to 25,134.80, 34,686.99 and 13,804.79

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Solution

The fourth proportional to 25,134.80, 34,686.99 and 13,804.79 is: 19,051.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,134.80 : 34,686.99 = 13,804.79 : x
  2. Step 2: Convert to fraction form
    25,134.80/34,686.99 = 13,804.79/x
  3. Step 3: Cross multiply
    25,134.80x = 34,686.99 × 13,804.79
  4. Step 4: Simplify right side
    25,134.80x = 478,846,439.25
  5. Step 5: Solve for x
    x = 478,846,439.25/25,134.80
  6. Step 6: Final answer
    x = 19,051.14

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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.