Home / 13,653.36-18,844.04-13,030.07

Finding the Fourth Proportional to 13,653.36, 18,844.04 and 13,030.07

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Solution

The fourth proportional to 13,653.36, 18,844.04 and 13,030.07 is: 17,983.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,653.36 : 18,844.04 = 13,030.07 : x
  2. Step 2: Convert to fraction form
    13,653.36/18,844.04 = 13,030.07/x
  3. Step 3: Cross multiply
    13,653.36x = 18,844.04 × 13,030.07
  4. Step 4: Simplify right side
    13,653.36x = 245,539,098.64
  5. Step 5: Solve for x
    x = 245,539,098.64/13,653.36
  6. Step 6: Final answer
    x = 17,983.79

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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.