Home / 14,726.75-20,322.76-8,758.29

Finding the Fourth Proportional to 14,726.75, 20,322.76 and 8,758.29

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Solution

The fourth proportional to 14,726.75, 20,322.76 and 8,758.29 is: 12,086.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,726.75 : 20,322.76 = 8,758.29 : x
  2. Step 2: Convert to fraction form
    14,726.75/20,322.76 = 8,758.29/x
  3. Step 3: Cross multiply
    14,726.75x = 20,322.76 × 8,758.29
  4. Step 4: Simplify right side
    14,726.75x = 177,992,581.89
  5. Step 5: Solve for x
    x = 177,992,581.89/14,726.75
  6. Step 6: Final answer
    x = 12,086.35

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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.