Home / 14,188.24-19,579.80-7,900.84

Finding the Fourth Proportional to 14,188.24, 19,579.80 and 7,900.84

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Solution

The fourth proportional to 14,188.24, 19,579.80 and 7,900.84 is: 10,903.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,188.24 : 19,579.80 = 7,900.84 : x
  2. Step 2: Convert to fraction form
    14,188.24/19,579.80 = 7,900.84/x
  3. Step 3: Cross multiply
    14,188.24x = 19,579.80 × 7,900.84
  4. Step 4: Simplify right side
    14,188.24x = 154,696,867.03
  5. Step 5: Solve for x
    x = 154,696,867.03/14,188.24
  6. Step 6: Final answer
    x = 10,903.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.