Home / 12,854.36-19,281.59-4,529.86

Finding the Fourth Proportional to 12,854.36, 19,281.59 and 4,529.86

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Solution

The fourth proportional to 12,854.36, 19,281.59 and 4,529.86 is: 6,794.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,854.36 : 19,281.59 = 4,529.86 : x
  2. Step 2: Convert to fraction form
    12,854.36/19,281.59 = 4,529.86/x
  3. Step 3: Cross multiply
    12,854.36x = 19,281.59 × 4,529.86
  4. Step 4: Simplify right side
    12,854.36x = 87,342,956.24
  5. Step 5: Solve for x
    x = 87,342,956.24/12,854.36
  6. Step 6: Final answer
    x = 6,794.81

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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.