Home / 9,801.79-13,522.28-6,617.14

Finding the Fourth Proportional to 9,801.79, 13,522.28 and 6,617.14

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Solution

The fourth proportional to 9,801.79, 13,522.28 and 6,617.14 is: 9,128.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,801.79 : 13,522.28 = 6,617.14 : x
  2. Step 2: Convert to fraction form
    9,801.79/13,522.28 = 6,617.14/x
  3. Step 3: Cross multiply
    9,801.79x = 13,522.28 × 6,617.14
  4. Step 4: Simplify right side
    9,801.79x = 89,478,752.99
  5. Step 5: Solve for x
    x = 89,478,752.99/9,801.79
  6. Step 6: Final answer
    x = 9,128.82

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.