Home / 12,852.55-19,274.39-8,717.77

Finding the Fourth Proportional to 12,852.55, 19,274.39 and 8,717.77

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Solution

The fourth proportional to 12,852.55, 19,274.39 and 8,717.77 is: 13,073.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,852.55 : 19,274.39 = 8,717.77 : x
  2. Step 2: Convert to fraction form
    12,852.55/19,274.39 = 8,717.77/x
  3. Step 3: Cross multiply
    12,852.55x = 19,274.39 × 8,717.77
  4. Step 4: Simplify right side
    12,852.55x = 168,029,698.91
  5. Step 5: Solve for x
    x = 168,029,698.91/12,852.55
  6. Step 6: Final answer
    x = 13,073.65

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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.