Home / 11,077.26-15,352.58-10,869.90

Finding the Fourth Proportional to 11,077.26, 15,352.58 and 10,869.90

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Solution

The fourth proportional to 11,077.26, 15,352.58 and 10,869.90 is: 15,065.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,077.26 : 15,352.58 = 10,869.90 : x
  2. Step 2: Convert to fraction form
    11,077.26/15,352.58 = 10,869.90/x
  3. Step 3: Cross multiply
    11,077.26x = 15,352.58 × 10,869.90
  4. Step 4: Simplify right side
    11,077.26x = 166,881,009.34
  5. Step 5: Solve for x
    x = 166,881,009.34/11,077.26
  6. Step 6: Final answer
    x = 15,065.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.