Home / 9,651.84-13,325.40-6,631.80

Finding the Fourth Proportional to 9,651.84, 13,325.40 and 6,631.80

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Solution

The fourth proportional to 9,651.84, 13,325.40 and 6,631.80 is: 9,155.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,651.84 : 13,325.40 = 6,631.80 : x
  2. Step 2: Convert to fraction form
    9,651.84/13,325.40 = 6,631.80/x
  3. Step 3: Cross multiply
    9,651.84x = 13,325.40 × 6,631.80
  4. Step 4: Simplify right side
    9,651.84x = 88,371,387.72
  5. Step 5: Solve for x
    x = 88,371,387.72/9,651.84
  6. Step 6: Final answer
    x = 9,155.91

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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.