Home / 13,559.48-20,337.13-3,699.56

Finding the Fourth Proportional to 13,559.48, 20,337.13 and 3,699.56

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Solution

The fourth proportional to 13,559.48, 20,337.13 and 3,699.56 is: 5,548.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,559.48 : 20,337.13 = 3,699.56 : x
  2. Step 2: Convert to fraction form
    13,559.48/20,337.13 = 3,699.56/x
  3. Step 3: Cross multiply
    13,559.48x = 20,337.13 × 3,699.56
  4. Step 4: Simplify right side
    13,559.48x = 75,238,432.66
  5. Step 5: Solve for x
    x = 75,238,432.66/13,559.48
  6. Step 6: Final answer
    x = 5,548.77

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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.