Home / 18,782.30-25,891.95-14,298.25

Finding the Fourth Proportional to 18,782.30, 25,891.95 and 14,298.25

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Solution

The fourth proportional to 18,782.30, 25,891.95 and 14,298.25 is: 19,710.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,782.30 : 25,891.95 = 14,298.25 : x
  2. Step 2: Convert to fraction form
    18,782.30/25,891.95 = 14,298.25/x
  3. Step 3: Cross multiply
    18,782.30x = 25,891.95 × 14,298.25
  4. Step 4: Simplify right side
    18,782.30x = 370,209,574.09
  5. Step 5: Solve for x
    x = 370,209,574.09/18,782.30
  6. Step 6: Final answer
    x = 19,710.56

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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.