Home / 13,730.84-20,596.28-4,965.78

Finding the Fourth Proportional to 13,730.84, 20,596.28 and 4,965.78

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Solution

The fourth proportional to 13,730.84, 20,596.28 and 4,965.78 is: 7,448.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,730.84 : 20,596.28 = 4,965.78 : x
  2. Step 2: Convert to fraction form
    13,730.84/20,596.28 = 4,965.78/x
  3. Step 3: Cross multiply
    13,730.84x = 20,596.28 × 4,965.78
  4. Step 4: Simplify right side
    13,730.84x = 102,276,570.47
  5. Step 5: Solve for x
    x = 102,276,570.47/13,730.84
  6. Step 6: Final answer
    x = 7,448.68

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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.