Home / 14,368.35-19,828.13-8,080.73

Finding the Fourth Proportional to 14,368.35, 19,828.13 and 8,080.73

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Solution

The fourth proportional to 14,368.35, 19,828.13 and 8,080.73 is: 11,151.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,368.35 : 19,828.13 = 8,080.73 : x
  2. Step 2: Convert to fraction form
    14,368.35/19,828.13 = 8,080.73/x
  3. Step 3: Cross multiply
    14,368.35x = 19,828.13 × 8,080.73
  4. Step 4: Simplify right side
    14,368.35x = 160,225,665.79
  5. Step 5: Solve for x
    x = 160,225,665.79/14,368.35
  6. Step 6: Final answer
    x = 11,151.29

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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.