Home / 13,188.77-18,200.99-7,524.44

Finding the Fourth Proportional to 13,188.77, 18,200.99 and 7,524.44

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Solution

The fourth proportional to 13,188.77, 18,200.99 and 7,524.44 is: 10,384.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,188.77 : 18,200.99 = 7,524.44 : x
  2. Step 2: Convert to fraction form
    13,188.77/18,200.99 = 7,524.44/x
  3. Step 3: Cross multiply
    13,188.77x = 18,200.99 × 7,524.44
  4. Step 4: Simplify right side
    13,188.77x = 136,952,253.26
  5. Step 5: Solve for x
    x = 136,952,253.26/13,188.77
  6. Step 6: Final answer
    x = 10,384.01

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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.