Home / 12,955.90-19,429.08-4,633.66

Finding the Fourth Proportional to 12,955.90, 19,429.08 and 4,633.66

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Solution

The fourth proportional to 12,955.90, 19,429.08 and 4,633.66 is: 6,948.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,955.90 : 19,429.08 = 4,633.66 : x
  2. Step 2: Convert to fraction form
    12,955.90/19,429.08 = 4,633.66/x
  3. Step 3: Cross multiply
    12,955.90x = 19,429.08 × 4,633.66
  4. Step 4: Simplify right side
    12,955.90x = 90,027,750.83
  5. Step 5: Solve for x
    x = 90,027,750.83/12,955.90
  6. Step 6: Final answer
    x = 6,948.78

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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.