Home / 11,398.16-17,099.68-3,607.60

Finding the Fourth Proportional to 11,398.16, 17,099.68 and 3,607.60

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Solution

The fourth proportional to 11,398.16, 17,099.68 and 3,607.60 is: 5,412.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,398.16 : 17,099.68 = 3,607.60 : x
  2. Step 2: Convert to fraction form
    11,398.16/17,099.68 = 3,607.60/x
  3. Step 3: Cross multiply
    11,398.16x = 17,099.68 × 3,607.60
  4. Step 4: Simplify right side
    11,398.16x = 61,688,805.57
  5. Step 5: Solve for x
    x = 61,688,805.57/11,398.16
  6. Step 6: Final answer
    x = 5,412.17

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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.