Home / 11,338.84-15,647.65-6,303.53

Finding the Fourth Proportional to 11,338.84, 15,647.65 and 6,303.53

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Solution

The fourth proportional to 11,338.84, 15,647.65 and 6,303.53 is: 8,698.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,338.84 : 15,647.65 = 6,303.53 : x
  2. Step 2: Convert to fraction form
    11,338.84/15,647.65 = 6,303.53/x
  3. Step 3: Cross multiply
    11,338.84x = 15,647.65 × 6,303.53
  4. Step 4: Simplify right side
    11,338.84x = 98,635,352.97
  5. Step 5: Solve for x
    x = 98,635,352.97/11,338.84
  6. Step 6: Final answer
    x = 8,698.90

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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.