Home / 25,409.86-38,102.75-9,394.19

Finding the Fourth Proportional to 25,409.86, 38,102.75 and 9,394.19

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Solution

The fourth proportional to 25,409.86, 38,102.75 and 9,394.19 is: 14,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,409.86 : 38,102.75 = 9,394.19 : x
  2. Step 2: Convert to fraction form
    25,409.86/38,102.75 = 9,394.19/x
  3. Step 3: Cross multiply
    25,409.86x = 38,102.75 × 9,394.19
  4. Step 4: Simplify right side
    25,409.86x = 357,944,490.35
  5. Step 5: Solve for x
    x = 357,944,490.35/25,409.86
  6. Step 6: Final answer
    x = 14,086.83

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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.