Home / 9,820.24-14,727.62-4,820.21

Finding the Fourth Proportional to 9,820.24, 14,727.62 and 4,820.21

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Solution

The fourth proportional to 9,820.24, 14,727.62 and 4,820.21 is: 7,228.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,820.24 : 14,727.62 = 4,820.21 : x
  2. Step 2: Convert to fraction form
    9,820.24/14,727.62 = 4,820.21/x
  3. Step 3: Cross multiply
    9,820.24x = 14,727.62 × 4,820.21
  4. Step 4: Simplify right side
    9,820.24x = 70,990,214.84
  5. Step 5: Solve for x
    x = 70,990,214.84/9,820.24
  6. Step 6: Final answer
    x = 7,228.97

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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.