Home / 11,457.36-17,191.89-5,460.21

Finding the Fourth Proportional to 11,457.36, 17,191.89 and 5,460.21

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Solution

The fourth proportional to 11,457.36, 17,191.89 and 5,460.21 is: 8,193.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,457.36 : 17,191.89 = 5,460.21 : x
  2. Step 2: Convert to fraction form
    11,457.36/17,191.89 = 5,460.21/x
  3. Step 3: Cross multiply
    11,457.36x = 17,191.89 × 5,460.21
  4. Step 4: Simplify right side
    11,457.36x = 93,871,329.70
  5. Step 5: Solve for x
    x = 93,871,329.70/11,457.36
  6. Step 6: Final answer
    x = 8,193.10

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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.