Home / 13,571.04-18,723.78-8,266.08

Finding the Fourth Proportional to 13,571.04, 18,723.78 and 8,266.08

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Solution

The fourth proportional to 13,571.04, 18,723.78 and 8,266.08 is: 11,404.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,571.04 : 18,723.78 = 8,266.08 : x
  2. Step 2: Convert to fraction form
    13,571.04/18,723.78 = 8,266.08/x
  3. Step 3: Cross multiply
    13,571.04x = 18,723.78 × 8,266.08
  4. Step 4: Simplify right side
    13,571.04x = 154,772,263.38
  5. Step 5: Solve for x
    x = 154,772,263.38/13,571.04
  6. Step 6: Final answer
    x = 11,404.60

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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.