Home / 15,628.33-21,567.36-8,555.14

Finding the Fourth Proportional to 15,628.33, 21,567.36 and 8,555.14

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Solution

The fourth proportional to 15,628.33, 21,567.36 and 8,555.14 is: 11,806.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628.33 : 21,567.36 = 8,555.14 : x
  2. Step 2: Convert to fraction form
    15,628.33/21,567.36 = 8,555.14/x
  3. Step 3: Cross multiply
    15,628.33x = 21,567.36 × 8,555.14
  4. Step 4: Simplify right side
    15,628.33x = 184,511,784.23
  5. Step 5: Solve for x
    x = 184,511,784.23/15,628.33
  6. Step 6: Final answer
    x = 11,806.24

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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.