Home / 18,326.28-25,296.36-13,036.44

Finding the Fourth Proportional to 18,326.28, 25,296.36 and 13,036.44

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Solution

The fourth proportional to 18,326.28, 25,296.36 and 13,036.44 is: 17,994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,326.28 : 25,296.36 = 13,036.44 : x
  2. Step 2: Convert to fraction form
    18,326.28/25,296.36 = 13,036.44/x
  3. Step 3: Cross multiply
    18,326.28x = 25,296.36 × 13,036.44
  4. Step 4: Simplify right side
    18,326.28x = 329,774,479.36
  5. Step 5: Solve for x
    x = 329,774,479.36/18,326.28
  6. Step 6: Final answer
    x = 17,994.62

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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.