Home / 21,497.52-29,613.63-18,300.52

Finding the Fourth Proportional to 21,497.52, 29,613.63 and 18,300.52

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Solution

The fourth proportional to 21,497.52, 29,613.63 and 18,300.52 is: 25,209.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,497.52 : 29,613.63 = 18,300.52 : x
  2. Step 2: Convert to fraction form
    21,497.52/29,613.63 = 18,300.52/x
  3. Step 3: Cross multiply
    21,497.52x = 29,613.63 × 18,300.52
  4. Step 4: Simplify right side
    21,497.52x = 541,944,828.09
  5. Step 5: Solve for x
    x = 541,944,828.09/21,497.52
  6. Step 6: Final answer
    x = 25,209.64

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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.