Home / 14,512.26-21,726.54-13,011.60

Finding the Fourth Proportional to 14,512.26, 21,726.54 and 13,011.60

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Solution

The fourth proportional to 14,512.26, 21,726.54 and 13,011.60 is: 19,479.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,512.26 : 21,726.54 = 13,011.60 : x
  2. Step 2: Convert to fraction form
    14,512.26/21,726.54 = 13,011.60/x
  3. Step 3: Cross multiply
    14,512.26x = 21,726.54 × 13,011.60
  4. Step 4: Simplify right side
    14,512.26x = 282,697,047.86
  5. Step 5: Solve for x
    x = 282,697,047.86/14,512.26
  6. Step 6: Final answer
    x = 19,479.88

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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.