Home / 9,808.40-14,716.20-5,123.36

Finding the Fourth Proportional to 9,808.40, 14,716.20 and 5,123.36

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Solution

The fourth proportional to 9,808.40, 14,716.20 and 5,123.36 is: 7,686.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,808.40 : 14,716.20 = 5,123.36 : x
  2. Step 2: Convert to fraction form
    9,808.40/14,716.20 = 5,123.36/x
  3. Step 3: Cross multiply
    9,808.40x = 14,716.20 × 5,123.36
  4. Step 4: Simplify right side
    9,808.40x = 75,396,390.43
  5. Step 5: Solve for x
    x = 75,396,390.43/9,808.40
  6. Step 6: Final answer
    x = 7,686.92

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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.