Home / 13,259.16-18,304.38-12,535.56

Finding the Fourth Proportional to 13,259.16, 18,304.38 and 12,535.56

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Solution

The fourth proportional to 13,259.16, 18,304.38 and 12,535.56 is: 17,305.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.16 : 18,304.38 = 12,535.56 : x
  2. Step 2: Convert to fraction form
    13,259.16/18,304.38 = 12,535.56/x
  3. Step 3: Cross multiply
    13,259.16x = 18,304.38 × 12,535.56
  4. Step 4: Simplify right side
    13,259.16x = 229,455,653.75
  5. Step 5: Solve for x
    x = 229,455,653.75/13,259.16
  6. Step 6: Final answer
    x = 17,305.44

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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.