Home / 9,964.84-13,752.85-6,427.37

Finding the Fourth Proportional to 9,964.84, 13,752.85 and 6,427.37

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Solution

The fourth proportional to 9,964.84, 13,752.85 and 6,427.37 is: 8,870.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,964.84 : 13,752.85 = 6,427.37 : x
  2. Step 2: Convert to fraction form
    9,964.84/13,752.85 = 6,427.37/x
  3. Step 3: Cross multiply
    9,964.84x = 13,752.85 × 6,427.37
  4. Step 4: Simplify right side
    9,964.84x = 88,394,655.50
  5. Step 5: Solve for x
    x = 88,394,655.50/9,964.84
  6. Step 6: Final answer
    x = 8,870.65

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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.