Home / 10,800.34-16,172.49-9,250.31

Finding the Fourth Proportional to 10,800.34, 16,172.49 and 9,250.31

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Solution

The fourth proportional to 10,800.34, 16,172.49 and 9,250.31 is: 13,851.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,800.34 : 16,172.49 = 9,250.31 : x
  2. Step 2: Convert to fraction form
    10,800.34/16,172.49 = 9,250.31/x
  3. Step 3: Cross multiply
    10,800.34x = 16,172.49 × 9,250.31
  4. Step 4: Simplify right side
    10,800.34x = 149,600,418.86
  5. Step 5: Solve for x
    x = 149,600,418.86/10,800.34
  6. Step 6: Final answer
    x = 13,851.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.