Home / 11,550.28-15,835.47-11,340.09

Finding the Fourth Proportional to 11,550.28, 15,835.47 and 11,340.09

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Solution

The fourth proportional to 11,550.28, 15,835.47 and 11,340.09 is: 15,547.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,550.28 : 15,835.47 = 11,340.09 : x
  2. Step 2: Convert to fraction form
    11,550.28/15,835.47 = 11,340.09/x
  3. Step 3: Cross multiply
    11,550.28x = 15,835.47 × 11,340.09
  4. Step 4: Simplify right side
    11,550.28x = 179,575,654.99
  5. Step 5: Solve for x
    x = 179,575,654.99/11,550.28
  6. Step 6: Final answer
    x = 15,547.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.