Home / 14,428.35-19,912.12-8,056.19

Finding the Fourth Proportional to 14,428.35, 19,912.12 and 8,056.19

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Solution

The fourth proportional to 14,428.35, 19,912.12 and 8,056.19 is: 11,118.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,428.35 : 19,912.12 = 8,056.19 : x
  2. Step 2: Convert to fraction form
    14,428.35/19,912.12 = 8,056.19/x
  3. Step 3: Cross multiply
    14,428.35x = 19,912.12 × 8,056.19
  4. Step 4: Simplify right side
    14,428.35x = 160,415,851.66
  5. Step 5: Solve for x
    x = 160,415,851.66/14,428.35
  6. Step 6: Final answer
    x = 11,118.10

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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.