Home / 9,312.96-13,964.98-4,378.44

Finding the Fourth Proportional to 9,312.96, 13,964.98 and 4,378.44

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Solution

The fourth proportional to 9,312.96, 13,964.98 and 4,378.44 is: 6,565.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,312.96 : 13,964.98 = 4,378.44 : x
  2. Step 2: Convert to fraction form
    9,312.96/13,964.98 = 4,378.44/x
  3. Step 3: Cross multiply
    9,312.96x = 13,964.98 × 4,378.44
  4. Step 4: Simplify right side
    9,312.96x = 61,144,827.03
  5. Step 5: Solve for x
    x = 61,144,827.03/9,312.96
  6. Step 6: Final answer
    x = 6,565.56

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.