Home / 14,079.23-21,146.19-10,366.80

Finding the Fourth Proportional to 14,079.23, 21,146.19 and 10,366.80

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Solution

The fourth proportional to 14,079.23, 21,146.19 and 10,366.80 is: 15,570.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,079.23 : 21,146.19 = 10,366.80 : x
  2. Step 2: Convert to fraction form
    14,079.23/21,146.19 = 10,366.80/x
  3. Step 3: Cross multiply
    14,079.23x = 21,146.19 × 10,366.80
  4. Step 4: Simplify right side
    14,079.23x = 219,218,270.66
  5. Step 5: Solve for x
    x = 219,218,270.66/14,079.23
  6. Step 6: Final answer
    x = 15,570.33

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1.5x scale

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.