Home / 15,666.12-23,499.36-3,979.35

Finding the Fourth Proportional to 15,666.12, 23,499.36 and 3,979.35

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Solution

The fourth proportional to 15,666.12, 23,499.36 and 3,979.35 is: 5,969.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,666.12 : 23,499.36 = 3,979.35 : x
  2. Step 2: Convert to fraction form
    15,666.12/23,499.36 = 3,979.35/x
  3. Step 3: Cross multiply
    15,666.12x = 23,499.36 × 3,979.35
  4. Step 4: Simplify right side
    15,666.12x = 93,512,178.22
  5. Step 5: Solve for x
    x = 93,512,178.22/15,666.12
  6. Step 6: Final answer
    x = 5,969.07

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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.