Home / 12,702.91-19,083.55-8,963.29

Finding the Fourth Proportional to 12,702.91, 19,083.55 and 8,963.29

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Solution

The fourth proportional to 12,702.91, 19,083.55 and 8,963.29 is: 13,465.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,702.91 : 19,083.55 = 8,963.29 : x
  2. Step 2: Convert to fraction form
    12,702.91/19,083.55 = 8,963.29/x
  3. Step 3: Cross multiply
    12,702.91x = 19,083.55 × 8,963.29
  4. Step 4: Simplify right side
    12,702.91x = 171,051,411.13
  5. Step 5: Solve for x
    x = 171,051,411.13/12,702.91
  6. Step 6: Final answer
    x = 13,465.53

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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.