Home / 13,956.40-19,260.18-7,669.12

Finding the Fourth Proportional to 13,956.40, 19,260.18 and 7,669.12

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Solution

The fourth proportional to 13,956.40, 19,260.18 and 7,669.12 is: 10,583.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.40 : 19,260.18 = 7,669.12 : x
  2. Step 2: Convert to fraction form
    13,956.40/19,260.18 = 7,669.12/x
  3. Step 3: Cross multiply
    13,956.40x = 19,260.18 × 7,669.12
  4. Step 4: Simplify right side
    13,956.40x = 147,708,631.64
  5. Step 5: Solve for x
    x = 147,708,631.64/13,956.40
  6. Step 6: Final answer
    x = 10,583.58

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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.