Home / 14,726.36-20,334.64-13,657.90

Finding the Fourth Proportional to 14,726.36, 20,334.64 and 13,657.90

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Solution

The fourth proportional to 14,726.36, 20,334.64 and 13,657.90 is: 18,859.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,726.36 : 20,334.64 = 13,657.90 : x
  2. Step 2: Convert to fraction form
    14,726.36/20,334.64 = 13,657.90/x
  3. Step 3: Cross multiply
    14,726.36x = 20,334.64 × 13,657.90
  4. Step 4: Simplify right side
    14,726.36x = 277,728,411.37
  5. Step 5: Solve for x
    x = 277,728,411.37/14,726.36
  6. Step 6: Final answer
    x = 18,859.27

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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.