Home / 18,311.16-25,268.40-10,354.98

Finding the Fourth Proportional to 18,311.16, 25,268.40 and 10,354.98

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Solution

The fourth proportional to 18,311.16, 25,268.40 and 10,354.98 is: 14,289.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,311.16 : 25,268.40 = 10,354.98 : x
  2. Step 2: Convert to fraction form
    18,311.16/25,268.40 = 10,354.98/x
  3. Step 3: Cross multiply
    18,311.16x = 25,268.40 × 10,354.98
  4. Step 4: Simplify right side
    18,311.16x = 261,653,776.63
  5. Step 5: Solve for x
    x = 261,653,776.63/18,311.16
  6. Step 6: Final answer
    x = 14,289.31

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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.