Home / 13,956.38-19,259.80-7,669.16

Finding the Fourth Proportional to 13,956.38, 19,259.80 and 7,669.16

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Solution

The fourth proportional to 13,956.38, 19,259.80 and 7,669.16 is: 10,583.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,956.38 : 19,259.80 = 7,669.16 : x
  2. Step 2: Convert to fraction form
    13,956.38/19,259.80 = 7,669.16/x
  3. Step 3: Cross multiply
    13,956.38x = 19,259.80 × 7,669.16
  4. Step 4: Simplify right side
    13,956.38x = 147,706,487.77
  5. Step 5: Solve for x
    x = 147,706,487.77/13,956.38
  6. Step 6: Final answer
    x = 10,583.44

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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.