Home / 14,059.05-19,402.08-8,090.75

Finding the Fourth Proportional to 14,059.05, 19,402.08 and 8,090.75

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Solution

The fourth proportional to 14,059.05, 19,402.08 and 8,090.75 is: 11,165.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,059.05 : 19,402.08 = 8,090.75 : x
  2. Step 2: Convert to fraction form
    14,059.05/19,402.08 = 8,090.75/x
  3. Step 3: Cross multiply
    14,059.05x = 19,402.08 × 8,090.75
  4. Step 4: Simplify right side
    14,059.05x = 156,977,281.75
  5. Step 5: Solve for x
    x = 156,977,281.75/14,059.05
  6. Step 6: Final answer
    x = 11,165.57

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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.