Home / 13,269.13-18,192.72-13,032.20

Finding the Fourth Proportional to 13,269.13, 18,192.72 and 13,032.20

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Solution

The fourth proportional to 13,269.13, 18,192.72 and 13,032.20 is: 17,867.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,269.13 : 18,192.72 = 13,032.20 : x
  2. Step 2: Convert to fraction form
    13,269.13/18,192.72 = 13,032.20/x
  3. Step 3: Cross multiply
    13,269.13x = 18,192.72 × 13,032.20
  4. Step 4: Simplify right side
    13,269.13x = 237,091,259.94
  5. Step 5: Solve for x
    x = 237,091,259.94/13,269.13
  6. Step 6: Final answer
    x = 17,867.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.