Home / 21,167.04-29,210.08-11,735.52

Finding the Fourth Proportional to 21,167.04, 29,210.08 and 11,735.52

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Solution

The fourth proportional to 21,167.04, 29,210.08 and 11,735.52 is: 16,194.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    21,167.04 : 29,210.08 = 11,735.52 : x
  2. Step 2: Convert to fraction form
    21,167.04/29,210.08 = 11,735.52/x
  3. Step 3: Cross multiply
    21,167.04x = 29,210.08 × 11,735.52
  4. Step 4: Simplify right side
    21,167.04x = 342,795,478.04
  5. Step 5: Solve for x
    x = 342,795,478.04/21,167.04
  6. Step 6: Final answer
    x = 16,194.78

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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.