Home / 15,628-21,566.64-11,652.52

Finding the Fourth Proportional to 15,628, 21,566.64 and 11,652.52

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Solution

The fourth proportional to 15,628, 21,566.64 and 11,652.52 is: 16,080.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,628 : 21,566.64 = 11,652.52 : x
  2. Step 2: Convert to fraction form
    15,628/21,566.64 = 11,652.52/x
  3. Step 3: Cross multiply
    15,628x = 21,566.64 × 11,652.52
  4. Step 4: Simplify right side
    15,628x = 251,305,703.93
  5. Step 5: Solve for x
    x = 251,305,703.93/15,628
  6. Step 6: Final answer
    x = 16,080.48

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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.