Home / 14,272.70-19,698.39-8,307.66

Finding the Fourth Proportional to 14,272.70, 19,698.39 and 8,307.66

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Solution

The fourth proportional to 14,272.70, 19,698.39 and 8,307.66 is: 11,465.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,272.70 : 19,698.39 = 8,307.66 : x
  2. Step 2: Convert to fraction form
    14,272.70/19,698.39 = 8,307.66/x
  3. Step 3: Cross multiply
    14,272.70x = 19,698.39 × 8,307.66
  4. Step 4: Simplify right side
    14,272.70x = 163,647,526.67
  5. Step 5: Solve for x
    x = 163,647,526.67/14,272.70
  6. Step 6: Final answer
    x = 11,465.77

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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.