Home / 10,725.13-16,120.50-10,495.45

Finding the Fourth Proportional to 10,725.13, 16,120.50 and 10,495.45

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Solution

The fourth proportional to 10,725.13, 16,120.50 and 10,495.45 is: 15,775.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.13 : 16,120.50 = 10,495.45 : x
  2. Step 2: Convert to fraction form
    10,725.13/16,120.50 = 10,495.45/x
  3. Step 3: Cross multiply
    10,725.13x = 16,120.50 × 10,495.45
  4. Step 4: Simplify right side
    10,725.13x = 169,191,901.73
  5. Step 5: Solve for x
    x = 169,191,901.73/10,725.13
  6. Step 6: Final answer
    x = 15,775.28

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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.