Home / 16,984.90-23,439.04-9,431.26

Finding the Fourth Proportional to 16,984.90, 23,439.04 and 9,431.26

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Solution

The fourth proportional to 16,984.90, 23,439.04 and 9,431.26 is: 13,015.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    16,984.90 : 23,439.04 = 9,431.26 : x
  2. Step 2: Convert to fraction form
    16,984.90/23,439.04 = 9,431.26/x
  3. Step 3: Cross multiply
    16,984.90x = 23,439.04 × 9,431.26
  4. Step 4: Simplify right side
    16,984.90x = 221,059,598.21
  5. Step 5: Solve for x
    x = 221,059,598.21/16,984.90
  6. Step 6: Final answer
    x = 13,015.07

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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.