Home / 13,211.25-19,802.91-4,885.92

Finding the Fourth Proportional to 13,211.25, 19,802.91 and 4,885.92

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Solution

The fourth proportional to 13,211.25, 19,802.91 and 4,885.92 is: 7,323.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,211.25 : 19,802.91 = 4,885.92 : x
  2. Step 2: Convert to fraction form
    13,211.25/19,802.91 = 4,885.92/x
  3. Step 3: Cross multiply
    13,211.25x = 19,802.91 × 4,885.92
  4. Step 4: Simplify right side
    13,211.25x = 96,755,434.03
  5. Step 5: Solve for x
    x = 96,755,434.03/13,211.25
  6. Step 6: Final answer
    x = 7,323.72

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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.