Home / 13,932.86-20,899.29-7,002.50

Finding the Fourth Proportional to 13,932.86, 20,899.29 and 7,002.50

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Solution

The fourth proportional to 13,932.86, 20,899.29 and 7,002.50 is: 10,503.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,932.86 : 20,899.29 = 7,002.50 : x
  2. Step 2: Convert to fraction form
    13,932.86/20,899.29 = 7,002.50/x
  3. Step 3: Cross multiply
    13,932.86x = 20,899.29 × 7,002.50
  4. Step 4: Simplify right side
    13,932.86x = 146,347,278.23
  5. Step 5: Solve for x
    x = 146,347,278.23/13,932.86
  6. Step 6: Final answer
    x = 10,503.75

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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.