Home / 14,270.46-21,405.54-5,499.23

Finding the Fourth Proportional to 14,270.46, 21,405.54 and 5,499.23

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Solution

The fourth proportional to 14,270.46, 21,405.54 and 5,499.23 is: 8,248.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,270.46 : 21,405.54 = 5,499.23 : x
  2. Step 2: Convert to fraction form
    14,270.46/21,405.54 = 5,499.23/x
  3. Step 3: Cross multiply
    14,270.46x = 21,405.54 × 5,499.23
  4. Step 4: Simplify right side
    14,270.46x = 117,713,880.71
  5. Step 5: Solve for x
    x = 117,713,880.71/14,270.46
  6. Step 6: Final answer
    x = 8,248.78

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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.