Home / 13,200.40-19,802.52-4,433.20

Finding the Fourth Proportional to 13,200.40, 19,802.52 and 4,433.20

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Solution

The fourth proportional to 13,200.40, 19,802.52 and 4,433.20 is: 6,650.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.40 : 19,802.52 = 4,433.20 : x
  2. Step 2: Convert to fraction form
    13,200.40/19,802.52 = 4,433.20/x
  3. Step 3: Cross multiply
    13,200.40x = 19,802.52 × 4,433.20
  4. Step 4: Simplify right side
    13,200.40x = 87,788,531.66
  5. Step 5: Solve for x
    x = 87,788,531.66/13,200.40
  6. Step 6: Final answer
    x = 6,650.44

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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.