Home / 19,409.30-26,777.26-10,909.50

Finding the Fourth Proportional to 19,409.30, 26,777.26 and 10,909.50

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Solution

The fourth proportional to 19,409.30, 26,777.26 and 10,909.50 is: 15,050.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,409.30 : 26,777.26 = 10,909.50 : x
  2. Step 2: Convert to fraction form
    19,409.30/26,777.26 = 10,909.50/x
  3. Step 3: Cross multiply
    19,409.30x = 26,777.26 × 10,909.50
  4. Step 4: Simplify right side
    19,409.30x = 292,126,517.97
  5. Step 5: Solve for x
    x = 292,126,517.97/19,409.30
  6. Step 6: Final answer
    x = 15,050.85

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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.