Home / 12,766.51-19,130.28-5,366.95

Finding the Fourth Proportional to 12,766.51, 19,130.28 and 5,366.95

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Solution

The fourth proportional to 12,766.51, 19,130.28 and 5,366.95 is: 8,042.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    12,766.51 : 19,130.28 = 5,366.95 : x
  2. Step 2: Convert to fraction form
    12,766.51/19,130.28 = 5,366.95/x
  3. Step 3: Cross multiply
    12,766.51x = 19,130.28 × 5,366.95
  4. Step 4: Simplify right side
    12,766.51x = 102,671,256.25
  5. Step 5: Solve for x
    x = 102,671,256.25/12,766.51
  6. Step 6: Final answer
    x = 8,042.23

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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.