Home / 18,384.54-25,371.23-10,427.10

Finding the Fourth Proportional to 18,384.54, 25,371.23 and 10,427.10

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Solution

The fourth proportional to 18,384.54, 25,371.23 and 10,427.10 is: 14,389.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,384.54 : 25,371.23 = 10,427.10 : x
  2. Step 2: Convert to fraction form
    18,384.54/25,371.23 = 10,427.10/x
  3. Step 3: Cross multiply
    18,384.54x = 25,371.23 × 10,427.10
  4. Step 4: Simplify right side
    18,384.54x = 264,548,352.33
  5. Step 5: Solve for x
    x = 264,548,352.33/18,384.54
  6. Step 6: Final answer
    x = 14,389.72

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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.