Home / 11,030.26-15,221.56-6,554.20

Finding the Fourth Proportional to 11,030.26, 15,221.56 and 6,554.20

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Solution

The fourth proportional to 11,030.26, 15,221.56 and 6,554.20 is: 9,044.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,030.26 : 15,221.56 = 6,554.20 : x
  2. Step 2: Convert to fraction form
    11,030.26/15,221.56 = 6,554.20/x
  3. Step 3: Cross multiply
    11,030.26x = 15,221.56 × 6,554.20
  4. Step 4: Simplify right side
    11,030.26x = 99,765,148.55
  5. Step 5: Solve for x
    x = 99,765,148.55/11,030.26
  6. Step 6: Final answer
    x = 9,044.68

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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.