Home / 11,165.89-15,409.10-6,130.04

Finding the Fourth Proportional to 11,165.89, 15,409.10 and 6,130.04

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Solution

The fourth proportional to 11,165.89, 15,409.10 and 6,130.04 is: 8,459.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,165.89 : 15,409.10 = 6,130.04 : x
  2. Step 2: Convert to fraction form
    11,165.89/15,409.10 = 6,130.04/x
  3. Step 3: Cross multiply
    11,165.89x = 15,409.10 × 6,130.04
  4. Step 4: Simplify right side
    11,165.89x = 94,458,399.36
  5. Step 5: Solve for x
    x = 94,458,399.36/11,165.89
  6. Step 6: Final answer
    x = 8,459.55

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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.