Home / 19,895.55-27,459.77-11,403.37

Finding the Fourth Proportional to 19,895.55, 27,459.77 and 11,403.37

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Solution

The fourth proportional to 19,895.55, 27,459.77 and 11,403.37 is: 15,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,895.55 : 27,459.77 = 11,403.37 : x
  2. Step 2: Convert to fraction form
    19,895.55/27,459.77 = 11,403.37/x
  3. Step 3: Cross multiply
    19,895.55x = 27,459.77 × 11,403.37
  4. Step 4: Simplify right side
    19,895.55x = 313,133,822.95
  5. Step 5: Solve for x
    x = 313,133,822.95/19,895.55
  6. Step 6: Final answer
    x = 15,738.88

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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.