Home / 19,215.16-26,523.48-11,259.92

Finding the Fourth Proportional to 19,215.16, 26,523.48 and 11,259.92

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Solution

The fourth proportional to 19,215.16, 26,523.48 and 11,259.92 is: 15,542.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,215.16 : 26,523.48 = 11,259.92 : x
  2. Step 2: Convert to fraction form
    19,215.16/26,523.48 = 11,259.92/x
  3. Step 3: Cross multiply
    19,215.16x = 26,523.48 × 11,259.92
  4. Step 4: Simplify right side
    19,215.16x = 298,652,262.92
  5. Step 5: Solve for x
    x = 298,652,262.92/19,215.16
  6. Step 6: Final answer
    x = 15,542.53

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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.