Home / 19,630.63-29,455.39-9,770.77

Finding the Fourth Proportional to 19,630.63, 29,455.39 and 9,770.77

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Solution

The fourth proportional to 19,630.63, 29,455.39 and 9,770.77 is: 14,660.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,630.63 : 29,455.39 = 9,770.77 : x
  2. Step 2: Convert to fraction form
    19,630.63/29,455.39 = 9,770.77/x
  3. Step 3: Cross multiply
    19,630.63x = 29,455.39 × 9,770.77
  4. Step 4: Simplify right side
    19,630.63x = 287,801,693.67
  5. Step 5: Solve for x
    x = 287,801,693.67/19,630.63
  6. Step 6: Final answer
    x = 14,660.85

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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.