Home / 11,077.80-15,256.26-10,835.88

Finding the Fourth Proportional to 11,077.80, 15,256.26 and 10,835.88

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Solution

The fourth proportional to 11,077.80, 15,256.26 and 10,835.88 is: 14,923.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.80 : 15,256.26 = 10,835.88 : x
  2. Step 2: Convert to fraction form
    11,077.80/15,256.26 = 10,835.88/x
  3. Step 3: Cross multiply
    11,077.80x = 15,256.26 × 10,835.88
  4. Step 4: Simplify right side
    11,077.80x = 165,315,002.61
  5. Step 5: Solve for x
    x = 165,315,002.61/11,077.80
  6. Step 6: Final answer
    x = 14,923.09

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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.