Home / 9,947.21-14,920.20-4,398.91

Finding the Fourth Proportional to 9,947.21, 14,920.20 and 4,398.91

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Solution

The fourth proportional to 9,947.21, 14,920.20 and 4,398.91 is: 6,598.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,947.21 : 14,920.20 = 4,398.91 : x
  2. Step 2: Convert to fraction form
    9,947.21/14,920.20 = 4,398.91/x
  3. Step 3: Cross multiply
    9,947.21x = 14,920.20 × 4,398.91
  4. Step 4: Simplify right side
    9,947.21x = 65,632,579.68
  5. Step 5: Solve for x
    x = 65,632,579.68/9,947.21
  6. Step 6: Final answer
    x = 6,598.09

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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.