Home / 14,409.56-21,595.88-11,115.76

Finding the Fourth Proportional to 14,409.56, 21,595.88 and 11,115.76

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Solution

The fourth proportional to 14,409.56, 21,595.88 and 11,115.76 is: 16,659.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,409.56 : 21,595.88 = 11,115.76 : x
  2. Step 2: Convert to fraction form
    14,409.56/21,595.88 = 11,115.76/x
  3. Step 3: Cross multiply
    14,409.56x = 21,595.88 × 11,115.76
  4. Step 4: Simplify right side
    14,409.56x = 240,054,619.07
  5. Step 5: Solve for x
    x = 240,054,619.07/14,409.56
  6. Step 6: Final answer
    x = 16,659.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.