Home / 11,321.51-15,623.34-6,217.02

Finding the Fourth Proportional to 11,321.51, 15,623.34 and 6,217.02

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Solution

The fourth proportional to 11,321.51, 15,623.34 and 6,217.02 is: 8,579.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,321.51 : 15,623.34 = 6,217.02 : x
  2. Step 2: Convert to fraction form
    11,321.51/15,623.34 = 6,217.02/x
  3. Step 3: Cross multiply
    11,321.51x = 15,623.34 × 6,217.02
  4. Step 4: Simplify right side
    11,321.51x = 97,130,617.25
  5. Step 5: Solve for x
    x = 97,130,617.25/11,321.51
  6. Step 6: Final answer
    x = 8,579.30

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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.