Home / 19,806.40-29,712.48-6,662.53

Finding the Fourth Proportional to 19,806.40, 29,712.48 and 6,662.53

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Solution

The fourth proportional to 19,806.40, 29,712.48 and 6,662.53 is: 9,994.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,806.40 : 29,712.48 = 6,662.53 : x
  2. Step 2: Convert to fraction form
    19,806.40/29,712.48 = 6,662.53/x
  3. Step 3: Cross multiply
    19,806.40x = 29,712.48 × 6,662.53
  4. Step 4: Simplify right side
    19,806.40x = 197,960,289.37
  5. Step 5: Solve for x
    x = 197,960,289.37/19,806.40
  6. Step 6: Final answer
    x = 9,994.76

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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.