Home / 13,835.17-20,752.68-6,435.55

Finding the Fourth Proportional to 13,835.17, 20,752.68 and 6,435.55

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Solution

The fourth proportional to 13,835.17, 20,752.68 and 6,435.55 is: 9,653.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,835.17 : 20,752.68 = 6,435.55 : x
  2. Step 2: Convert to fraction form
    13,835.17/20,752.68 = 6,435.55/x
  3. Step 3: Cross multiply
    13,835.17x = 20,752.68 × 6,435.55
  4. Step 4: Simplify right side
    13,835.17x = 133,554,806.01
  5. Step 5: Solve for x
    x = 133,554,806.01/13,835.17
  6. Step 6: Final answer
    x = 9,653.29

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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.