Home / 9,321.47-13,972.08-4,644.96

Finding the Fourth Proportional to 9,321.47, 13,972.08 and 4,644.96

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Solution

The fourth proportional to 9,321.47, 13,972.08 and 4,644.96 is: 6,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,321.47 : 13,972.08 = 4,644.96 : x
  2. Step 2: Convert to fraction form
    9,321.47/13,972.08 = 4,644.96/x
  3. Step 3: Cross multiply
    9,321.47x = 13,972.08 × 4,644.96
  4. Step 4: Simplify right side
    9,321.47x = 64,899,752.72
  5. Step 5: Solve for x
    x = 64,899,752.72/9,321.47
  6. Step 6: Final answer
    x = 6,962.40

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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.