Home / 10,666.20-15,998.04-2,875.62

Finding the Fourth Proportional to 10,666.20, 15,998.04 and 2,875.62

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Solution

The fourth proportional to 10,666.20, 15,998.04 and 2,875.62 is: 4,313.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,666.20 : 15,998.04 = 2,875.62 : x
  2. Step 2: Convert to fraction form
    10,666.20/15,998.04 = 2,875.62/x
  3. Step 3: Cross multiply
    10,666.20x = 15,998.04 × 2,875.62
  4. Step 4: Simplify right side
    10,666.20x = 46,004,283.78
  5. Step 5: Solve for x
    x = 46,004,283.78/10,666.20
  6. Step 6: Final answer
    x = 4,313.09

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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.