Home / 13,726.29-18,943.95-8,951.34

Finding the Fourth Proportional to 13,726.29, 18,943.95 and 8,951.34

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Solution

The fourth proportional to 13,726.29, 18,943.95 and 8,951.34 is: 12,353.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,726.29 : 18,943.95 = 8,951.34 : x
  2. Step 2: Convert to fraction form
    13,726.29/18,943.95 = 8,951.34/x
  3. Step 3: Cross multiply
    13,726.29x = 18,943.95 × 8,951.34
  4. Step 4: Simplify right side
    13,726.29x = 169,573,737.39
  5. Step 5: Solve for x
    x = 169,573,737.39/13,726.29
  6. Step 6: Final answer
    x = 12,353.94

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.