Home / 12,869.66-19,295.80-4,434.01

Finding the Fourth Proportional to 12,869.66, 19,295.80 and 4,434.01

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Solution

The fourth proportional to 12,869.66, 19,295.80 and 4,434.01 is: 6,648.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,869.66 : 19,295.80 = 4,434.01 : x
  2. Step 2: Convert to fraction form
    12,869.66/19,295.80 = 4,434.01/x
  3. Step 3: Cross multiply
    12,869.66x = 19,295.80 × 4,434.01
  4. Step 4: Simplify right side
    12,869.66x = 85,557,710.83
  5. Step 5: Solve for x
    x = 85,557,710.83/12,869.66
  6. Step 6: Final answer
    x = 6,648.02

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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.