Home / 11,238.80-15,509.84-6,203.10

Finding the Fourth Proportional to 11,238.80, 15,509.84 and 6,203.10

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Solution

The fourth proportional to 11,238.80, 15,509.84 and 6,203.10 is: 8,560.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,238.80 : 15,509.84 = 6,203.10 : x
  2. Step 2: Convert to fraction form
    11,238.80/15,509.84 = 6,203.10/x
  3. Step 3: Cross multiply
    11,238.80x = 15,509.84 × 6,203.10
  4. Step 4: Simplify right side
    11,238.80x = 96,209,088.50
  5. Step 5: Solve for x
    x = 96,209,088.50/11,238.80
  6. Step 6: Final answer
    x = 8,560.44

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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.