Home / 18,427.86-25,435.80-10,474.44

Finding the Fourth Proportional to 18,427.86, 25,435.80 and 10,474.44

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Solution

The fourth proportional to 18,427.86, 25,435.80 and 10,474.44 is: 14,457.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,427.86 : 25,435.80 = 10,474.44 : x
  2. Step 2: Convert to fraction form
    18,427.86/25,435.80 = 10,474.44/x
  3. Step 3: Cross multiply
    18,427.86x = 25,435.80 × 10,474.44
  4. Step 4: Simplify right side
    18,427.86x = 266,425,760.95
  5. Step 5: Solve for x
    x = 266,425,760.95/18,427.86
  6. Step 6: Final answer
    x = 14,457.77

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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.