Home / 18,445.36-27,668.04-10,254.64

Finding the Fourth Proportional to 18,445.36, 27,668.04 and 10,254.64

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Solution

The fourth proportional to 18,445.36, 27,668.04 and 10,254.64 is: 15,381.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,445.36 : 27,668.04 = 10,254.64 : x
  2. Step 2: Convert to fraction form
    18,445.36/27,668.04 = 10,254.64/x
  3. Step 3: Cross multiply
    18,445.36x = 27,668.04 × 10,254.64
  4. Step 4: Simplify right side
    18,445.36x = 283,725,789.71
  5. Step 5: Solve for x
    x = 283,725,789.71/18,445.36
  6. Step 6: Final answer
    x = 15,381.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.