Home / 13,000.16-19,496.76-3,639.62

Finding the Fourth Proportional to 13,000.16, 19,496.76 and 3,639.62

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Solution

The fourth proportional to 13,000.16, 19,496.76 and 3,639.62 is: 5,458.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,000.16 : 19,496.76 = 3,639.62 : x
  2. Step 2: Convert to fraction form
    13,000.16/19,496.76 = 3,639.62/x
  3. Step 3: Cross multiply
    13,000.16x = 19,496.76 × 3,639.62
  4. Step 4: Simplify right side
    13,000.16x = 70,960,797.63
  5. Step 5: Solve for x
    x = 70,960,797.63/13,000.16
  6. Step 6: Final answer
    x = 5,458.46

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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.