Home / 15,707.25-21,670.00-11,628.77

Finding the Fourth Proportional to 15,707.25, 21,670.00 and 11,628.77

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Solution

The fourth proportional to 15,707.25, 21,670.00 and 11,628.77 is: 16,043.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,707.25 : 21,670.00 = 11,628.77 : x
  2. Step 2: Convert to fraction form
    15,707.25/21,670.00 = 11,628.77/x
  3. Step 3: Cross multiply
    15,707.25x = 21,670.00 × 11,628.77
  4. Step 4: Simplify right side
    15,707.25x = 251,995,308.48
  5. Step 5: Solve for x
    x = 251,995,308.48/15,707.25
  6. Step 6: Final answer
    x = 16,043.25

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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.