Home / 11,018.88-15,206.40-6,303.60

Finding the Fourth Proportional to 11,018.88, 15,206.40 and 6,303.60

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Solution

The fourth proportional to 11,018.88, 15,206.40 and 6,303.60 is: 8,699.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,018.88 : 15,206.40 = 6,303.60 : x
  2. Step 2: Convert to fraction form
    11,018.88/15,206.40 = 6,303.60/x
  3. Step 3: Cross multiply
    11,018.88x = 15,206.40 × 6,303.60
  4. Step 4: Simplify right side
    11,018.88x = 95,855,063.04
  5. Step 5: Solve for x
    x = 95,855,063.04/11,018.88
  6. Step 6: Final answer
    x = 8,699.17

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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.