Home / 14,390.56-19,857.31-8,016.13

Finding the Fourth Proportional to 14,390.56, 19,857.31 and 8,016.13

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Solution

The fourth proportional to 14,390.56, 19,857.31 and 8,016.13 is: 11,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,390.56 : 19,857.31 = 8,016.13 : x
  2. Step 2: Convert to fraction form
    14,390.56/19,857.31 = 8,016.13/x
  3. Step 3: Cross multiply
    14,390.56x = 19,857.31 × 8,016.13
  4. Step 4: Simplify right side
    14,390.56x = 159,178,778.41
  5. Step 5: Solve for x
    x = 159,178,778.41/14,390.56
  6. Step 6: Final answer
    x = 11,061.33

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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.