Home / 20,589.64-30,885.54-6,551.20

Finding the Fourth Proportional to 20,589.64, 30,885.54 and 6,551.20

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Solution

The fourth proportional to 20,589.64, 30,885.54 and 6,551.20 is: 9,827.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,589.64 : 30,885.54 = 6,551.20 : x
  2. Step 2: Convert to fraction form
    20,589.64/30,885.54 = 6,551.20/x
  3. Step 3: Cross multiply
    20,589.64x = 30,885.54 × 6,551.20
  4. Step 4: Simplify right side
    20,589.64x = 202,337,349.65
  5. Step 5: Solve for x
    x = 202,337,349.65/20,589.64
  6. Step 6: Final answer
    x = 9,827.14

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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.