Home / 10,725.80-16,088.70-10,628.60

Finding the Fourth Proportional to 10,725.80, 16,088.70 and 10,628.60

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Solution

The fourth proportional to 10,725.80, 16,088.70 and 10,628.60 is: 15,942.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,725.80 : 16,088.70 = 10,628.60 : x
  2. Step 2: Convert to fraction form
    10,725.80/16,088.70 = 10,628.60/x
  3. Step 3: Cross multiply
    10,725.80x = 16,088.70 × 10,628.60
  4. Step 4: Simplify right side
    10,725.80x = 171,000,356.82
  5. Step 5: Solve for x
    x = 171,000,356.82/10,725.80
  6. Step 6: Final answer
    x = 15,942.90

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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.