Home / 16,969.12-23,421.84-9,519.52

Finding the Fourth Proportional to 16,969.12, 23,421.84 and 9,519.52

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Solution

The fourth proportional to 16,969.12, 23,421.84 and 9,519.52 is: 13,139.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,969.12 : 23,421.84 = 9,519.52 : x
  2. Step 2: Convert to fraction form
    16,969.12/23,421.84 = 9,519.52/x
  3. Step 3: Cross multiply
    16,969.12x = 23,421.84 × 9,519.52
  4. Step 4: Simplify right side
    16,969.12x = 222,964,674.32
  5. Step 5: Solve for x
    x = 222,964,674.32/16,969.12
  6. Step 6: Final answer
    x = 13,139.44

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.