Home / 13,601.34-20,389.86-6,577.43

Finding the Fourth Proportional to 13,601.34, 20,389.86 and 6,577.43

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Solution

The fourth proportional to 13,601.34, 20,389.86 and 6,577.43 is: 9,860.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,601.34 : 20,389.86 = 6,577.43 : x
  2. Step 2: Convert to fraction form
    13,601.34/20,389.86 = 6,577.43/x
  3. Step 3: Cross multiply
    13,601.34x = 20,389.86 × 6,577.43
  4. Step 4: Simplify right side
    13,601.34x = 134,112,774.91
  5. Step 5: Solve for x
    x = 134,112,774.91/13,601.34
  6. Step 6: Final answer
    x = 9,860.26

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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.