Home / 15,584.63-21,499.29-11,329.08

Finding the Fourth Proportional to 15,584.63, 21,499.29 and 11,329.08

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Solution

The fourth proportional to 15,584.63, 21,499.29 and 11,329.08 is: 15,628.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,584.63 : 21,499.29 = 11,329.08 : x
  2. Step 2: Convert to fraction form
    15,584.63/21,499.29 = 11,329.08/x
  3. Step 3: Cross multiply
    15,584.63x = 21,499.29 × 11,329.08
  4. Step 4: Simplify right side
    15,584.63x = 243,567,176.35
  5. Step 5: Solve for x
    x = 243,567,176.35/15,584.63
  6. Step 6: Final answer
    x = 15,628.68

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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.