Home / 16,904.40-23,322.12-9,829.20

Finding the Fourth Proportional to 16,904.40, 23,322.12 and 9,829.20

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Solution

The fourth proportional to 16,904.40, 23,322.12 and 9,829.20 is: 13,560.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,904.40 : 23,322.12 = 9,829.20 : x
  2. Step 2: Convert to fraction form
    16,904.40/23,322.12 = 9,829.20/x
  3. Step 3: Cross multiply
    16,904.40x = 23,322.12 × 9,829.20
  4. Step 4: Simplify right side
    16,904.40x = 229,237,781.90
  5. Step 5: Solve for x
    x = 229,237,781.90/16,904.40
  6. Step 6: Final answer
    x = 13,560.84

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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.