Home / 15,979.99-23,969.13-6,118.51

Finding the Fourth Proportional to 15,979.99, 23,969.13 and 6,118.51

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Solution

The fourth proportional to 15,979.99, 23,969.13 and 6,118.51 is: 9,177.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,979.99 : 23,969.13 = 6,118.51 : x
  2. Step 2: Convert to fraction form
    15,979.99/23,969.13 = 6,118.51/x
  3. Step 3: Cross multiply
    15,979.99x = 23,969.13 × 6,118.51
  4. Step 4: Simplify right side
    15,979.99x = 146,655,361.60
  5. Step 5: Solve for x
    x = 146,655,361.60/15,979.99
  6. Step 6: Final answer
    x = 9,177.44

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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.