Home / 13,012.84-17,956.58-7,706.76

Finding the Fourth Proportional to 13,012.84, 17,956.58 and 7,706.76

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Solution

The fourth proportional to 13,012.84, 17,956.58 and 7,706.76 is: 10,634.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,012.84 : 17,956.58 = 7,706.76 : x
  2. Step 2: Convert to fraction form
    13,012.84/17,956.58 = 7,706.76/x
  3. Step 3: Cross multiply
    13,012.84x = 17,956.58 × 7,706.76
  4. Step 4: Simplify right side
    13,012.84x = 138,387,052.48
  5. Step 5: Solve for x
    x = 138,387,052.48/13,012.84
  6. Step 6: Final answer
    x = 10,634.65

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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.