Home / 9,618.08-14,421.84-5,921.68

Finding the Fourth Proportional to 9,618.08, 14,421.84 and 5,921.68

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Solution

The fourth proportional to 9,618.08, 14,421.84 and 5,921.68 is: 8,879.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,618.08 : 14,421.84 = 5,921.68 : x
  2. Step 2: Convert to fraction form
    9,618.08/14,421.84 = 5,921.68/x
  3. Step 3: Cross multiply
    9,618.08x = 14,421.84 × 5,921.68
  4. Step 4: Simplify right side
    9,618.08x = 85,401,521.49
  5. Step 5: Solve for x
    x = 85,401,521.49/9,618.08
  6. Step 6: Final answer
    x = 8,879.27

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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.