Home / 11,333.40-15,639.72-6,297.50

Finding the Fourth Proportional to 11,333.40, 15,639.72 and 6,297.50

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Solution

The fourth proportional to 11,333.40, 15,639.72 and 6,297.50 is: 8,690.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,333.40 : 15,639.72 = 6,297.50 : x
  2. Step 2: Convert to fraction form
    11,333.40/15,639.72 = 6,297.50/x
  3. Step 3: Cross multiply
    11,333.40x = 15,639.72 × 6,297.50
  4. Step 4: Simplify right side
    11,333.40x = 98,491,058.50
  5. Step 5: Solve for x
    x = 98,491,058.50/11,333.40
  6. Step 6: Final answer
    x = 8,690.34

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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.