Home / 15,666.64-23,500.04-3,979.84

Finding the Fourth Proportional to 15,666.64, 23,500.04 and 3,979.84

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Solution

The fourth proportional to 15,666.64, 23,500.04 and 3,979.84 is: 5,969.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666.64 : 23,500.04 = 3,979.84 : x
  2. Step 2: Convert to fraction form
    15,666.64/23,500.04 = 3,979.84/x
  3. Step 3: Cross multiply
    15,666.64x = 23,500.04 × 3,979.84
  4. Step 4: Simplify right side
    15,666.64x = 93,526,399.19
  5. Step 5: Solve for x
    x = 93,526,399.19/15,666.64
  6. Step 6: Final answer
    x = 5,969.78

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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.