Home / 10,893.80-15,025.21-7,542.23

Finding the Fourth Proportional to 10,893.80, 15,025.21 and 7,542.23

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Solution

The fourth proportional to 10,893.80, 15,025.21 and 7,542.23 is: 10,402.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,893.80 : 15,025.21 = 7,542.23 : x
  2. Step 2: Convert to fraction form
    10,893.80/15,025.21 = 7,542.23/x
  3. Step 3: Cross multiply
    10,893.80x = 15,025.21 × 7,542.23
  4. Step 4: Simplify right side
    10,893.80x = 113,323,495.64
  5. Step 5: Solve for x
    x = 113,323,495.64/10,893.80
  6. Step 6: Final answer
    x = 10,402.57

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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.