Home / 11,027.69-16,542.40-3,130.08

Finding the Fourth Proportional to 11,027.69, 16,542.40 and 3,130.08

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Solution

The fourth proportional to 11,027.69, 16,542.40 and 3,130.08 is: 4,695.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,027.69 : 16,542.40 = 3,130.08 : x
  2. Step 2: Convert to fraction form
    11,027.69/16,542.40 = 3,130.08/x
  3. Step 3: Cross multiply
    11,027.69x = 16,542.40 × 3,130.08
  4. Step 4: Simplify right side
    11,027.69x = 51,779,035.39
  5. Step 5: Solve for x
    x = 51,779,035.39/11,027.69
  6. Step 6: Final answer
    x = 4,695.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.