Home / 13,259.14-18,290.01-8,282.50

Finding the Fourth Proportional to 13,259.14, 18,290.01 and 8,282.50

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Solution

The fourth proportional to 13,259.14, 18,290.01 and 8,282.50 is: 11,425.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,259.14 : 18,290.01 = 8,282.50 : x
  2. Step 2: Convert to fraction form
    13,259.14/18,290.01 = 8,282.50/x
  3. Step 3: Cross multiply
    13,259.14x = 18,290.01 × 8,282.50
  4. Step 4: Simplify right side
    13,259.14x = 151,487,007.83
  5. Step 5: Solve for x
    x = 151,487,007.83/13,259.14
  6. Step 6: Final answer
    x = 11,425.10

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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.