Home / 14,270.60-21,400.44-4,908.92

Finding the Fourth Proportional to 14,270.60, 21,400.44 and 4,908.92

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Solution

The fourth proportional to 14,270.60, 21,400.44 and 4,908.92 is: 7,361.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.60 : 21,400.44 = 4,908.92 : x
  2. Step 2: Convert to fraction form
    14,270.60/21,400.44 = 4,908.92/x
  3. Step 3: Cross multiply
    14,270.60x = 21,400.44 × 4,908.92
  4. Step 4: Simplify right side
    14,270.60x = 105,053,047.92
  5. Step 5: Solve for x
    x = 105,053,047.92/14,270.60
  6. Step 6: Final answer
    x = 7,361.50

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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.