Home / 11,021.54-15,213.29-7,053.35

Finding the Fourth Proportional to 11,021.54, 15,213.29 and 7,053.35

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Solution

The fourth proportional to 11,021.54, 15,213.29 and 7,053.35 is: 9,735.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,021.54 : 15,213.29 = 7,053.35 : x
  2. Step 2: Convert to fraction form
    11,021.54/15,213.29 = 7,053.35/x
  3. Step 3: Cross multiply
    11,021.54x = 15,213.29 × 7,053.35
  4. Step 4: Simplify right side
    11,021.54x = 107,304,547.69
  5. Step 5: Solve for x
    x = 107,304,547.69/11,021.54
  6. Step 6: Final answer
    x = 9,735.90

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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.