Home / 13,087.72-19,632.12-4,322.62

Finding the Fourth Proportional to 13,087.72, 19,632.12 and 4,322.62

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Solution

The fourth proportional to 13,087.72, 19,632.12 and 4,322.62 is: 6,484.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,087.72 : 19,632.12 = 4,322.62 : x
  2. Step 2: Convert to fraction form
    13,087.72/19,632.12 = 4,322.62/x
  3. Step 3: Cross multiply
    13,087.72x = 19,632.12 × 4,322.62
  4. Step 4: Simplify right side
    13,087.72x = 84,862,194.55
  5. Step 5: Solve for x
    x = 84,862,194.55/13,087.72
  6. Step 6: Final answer
    x = 6,484.11

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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.