Home / 13,275.78-19,925.97-6,706.59

Finding the Fourth Proportional to 13,275.78, 19,925.97 and 6,706.59

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Solution

The fourth proportional to 13,275.78, 19,925.97 and 6,706.59 is: 10,066.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,275.78 : 19,925.97 = 6,706.59 : x
  2. Step 2: Convert to fraction form
    13,275.78/19,925.97 = 6,706.59/x
  3. Step 3: Cross multiply
    13,275.78x = 19,925.97 × 6,706.59
  4. Step 4: Simplify right side
    13,275.78x = 133,635,311.14
  5. Step 5: Solve for x
    x = 133,635,311.14/13,275.78
  6. Step 6: Final answer
    x = 10,066.10

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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.