Home / 15,100.14-20,840.58-14,435.76

Finding the Fourth Proportional to 15,100.14, 20,840.58 and 14,435.76

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Solution

The fourth proportional to 15,100.14, 20,840.58 and 14,435.76 is: 19,923.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,100.14 : 20,840.58 = 14,435.76 : x
  2. Step 2: Convert to fraction form
    15,100.14/20,840.58 = 14,435.76/x
  3. Step 3: Cross multiply
    15,100.14x = 20,840.58 × 14,435.76
  4. Step 4: Simplify right side
    15,100.14x = 300,849,611.14
  5. Step 5: Solve for x
    x = 300,849,611.14/15,100.14
  6. Step 6: Final answer
    x = 19,923.63

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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.