Home / 13,429.74-20,153.79-4,664.58

Finding the Fourth Proportional to 13,429.74, 20,153.79 and 4,664.58

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Solution

The fourth proportional to 13,429.74, 20,153.79 and 4,664.58 is: 7,000.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,429.74 : 20,153.79 = 4,664.58 : x
  2. Step 2: Convert to fraction form
    13,429.74/20,153.79 = 4,664.58/x
  3. Step 3: Cross multiply
    13,429.74x = 20,153.79 × 4,664.58
  4. Step 4: Simplify right side
    13,429.74x = 94,008,965.76
  5. Step 5: Solve for x
    x = 94,008,965.76/13,429.74
  6. Step 6: Final answer
    x = 7,000.06

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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.