Home / 18,380.98-25,365.76-10,423.23

Finding the Fourth Proportional to 18,380.98, 25,365.76 and 10,423.23

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Solution

The fourth proportional to 18,380.98, 25,365.76 and 10,423.23 is: 14,384.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,380.98 : 25,365.76 = 10,423.23 : x
  2. Step 2: Convert to fraction form
    18,380.98/25,365.76 = 10,423.23/x
  3. Step 3: Cross multiply
    18,380.98x = 25,365.76 × 10,423.23
  4. Step 4: Simplify right side
    18,380.98x = 264,393,172.11
  5. Step 5: Solve for x
    x = 264,393,172.11/18,380.98
  6. Step 6: Final answer
    x = 14,384.07

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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.