Home / 14,008.18-19,331.39-8,039.70

Finding the Fourth Proportional to 14,008.18, 19,331.39 and 8,039.70

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Solution

The fourth proportional to 14,008.18, 19,331.39 and 8,039.70 is: 11,094.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,008.18 : 19,331.39 = 8,039.70 : x
  2. Step 2: Convert to fraction form
    14,008.18/19,331.39 = 8,039.70/x
  3. Step 3: Cross multiply
    14,008.18x = 19,331.39 × 8,039.70
  4. Step 4: Simplify right side
    14,008.18x = 155,418,576.18
  5. Step 5: Solve for x
    x = 155,418,576.18/14,008.18
  6. Step 6: Final answer
    x = 11,094.84

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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.