Home / 9,369.60-14,054.40-5,215.92

Finding the Fourth Proportional to 9,369.60, 14,054.40 and 5,215.92

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Solution

The fourth proportional to 9,369.60, 14,054.40 and 5,215.92 is: 7,823.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,369.60 : 14,054.40 = 5,215.92 : x
  2. Step 2: Convert to fraction form
    9,369.60/14,054.40 = 5,215.92/x
  3. Step 3: Cross multiply
    9,369.60x = 14,054.40 × 5,215.92
  4. Step 4: Simplify right side
    9,369.60x = 73,306,626.05
  5. Step 5: Solve for x
    x = 73,306,626.05/9,369.60
  6. Step 6: Final answer
    x = 7,823.88

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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.