Home / 12,869.10-19,305.47-6,295.66

Finding the Fourth Proportional to 12,869.10, 19,305.47 and 6,295.66

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Solution

The fourth proportional to 12,869.10, 19,305.47 and 6,295.66 is: 9,444.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869.10 : 19,305.47 = 6,295.66 : x
  2. Step 2: Convert to fraction form
    12,869.10/19,305.47 = 6,295.66/x
  3. Step 3: Cross multiply
    12,869.10x = 19,305.47 × 6,295.66
  4. Step 4: Simplify right side
    12,869.10x = 121,540,642.74
  5. Step 5: Solve for x
    x = 121,540,642.74/12,869.10
  6. Step 6: Final answer
    x = 9,444.38

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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.