Home / 11,059.65-15,261.21-6,810.03

Finding the Fourth Proportional to 11,059.65, 15,261.21 and 6,810.03

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Solution

The fourth proportional to 11,059.65, 15,261.21 and 6,810.03 is: 9,397.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,059.65 : 15,261.21 = 6,810.03 : x
  2. Step 2: Convert to fraction form
    11,059.65/15,261.21 = 6,810.03/x
  3. Step 3: Cross multiply
    11,059.65x = 15,261.21 × 6,810.03
  4. Step 4: Simplify right side
    11,059.65x = 103,929,297.94
  5. Step 5: Solve for x
    x = 103,929,297.94/11,059.65
  6. Step 6: Final answer
    x = 9,397.16

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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.