Home / 13,624.70-20,437.04-3,629.45

Finding the Fourth Proportional to 13,624.70, 20,437.04 and 3,629.45

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Solution

The fourth proportional to 13,624.70, 20,437.04 and 3,629.45 is: 5,444.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,624.70 : 20,437.04 = 3,629.45 : x
  2. Step 2: Convert to fraction form
    13,624.70/20,437.04 = 3,629.45/x
  3. Step 3: Cross multiply
    13,624.70x = 20,437.04 × 3,629.45
  4. Step 4: Simplify right side
    13,624.70x = 74,175,094.50
  5. Step 5: Solve for x
    x = 74,175,094.50/13,624.70
  6. Step 6: Final answer
    x = 5,444.17

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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.