Home / 13,200.45-19,799.28-6,957.96

Finding the Fourth Proportional to 13,200.45, 19,799.28 and 6,957.96

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Solution

The fourth proportional to 13,200.45, 19,799.28 and 6,957.96 is: 10,436.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,200.45 : 19,799.28 = 6,957.96 : x
  2. Step 2: Convert to fraction form
    13,200.45/19,799.28 = 6,957.96/x
  3. Step 3: Cross multiply
    13,200.45x = 19,799.28 × 6,957.96
  4. Step 4: Simplify right side
    13,200.45x = 137,762,598.27
  5. Step 5: Solve for x
    x = 137,762,598.27/13,200.45
  6. Step 6: Final answer
    x = 10,436.20

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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.