Home / 9,209.63-13,817.18-4,282.20

Finding the Fourth Proportional to 9,209.63, 13,817.18 and 4,282.20

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Solution

The fourth proportional to 9,209.63, 13,817.18 and 4,282.20 is: 6,424.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,209.63 : 13,817.18 = 4,282.20 : x
  2. Step 2: Convert to fraction form
    9,209.63/13,817.18 = 4,282.20/x
  3. Step 3: Cross multiply
    9,209.63x = 13,817.18 × 4,282.20
  4. Step 4: Simplify right side
    9,209.63x = 59,167,938.90
  5. Step 5: Solve for x
    x = 59,167,938.90/9,209.63
  6. Step 6: Final answer
    x = 6,424.57

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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.