Home / 11,166.30-15,409.38-6,130.50

Finding the Fourth Proportional to 11,166.30, 15,409.38 and 6,130.50

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Solution

The fourth proportional to 11,166.30, 15,409.38 and 6,130.50 is: 8,460.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,166.30 : 15,409.38 = 6,130.50 : x
  2. Step 2: Convert to fraction form
    11,166.30/15,409.38 = 6,130.50/x
  3. Step 3: Cross multiply
    11,166.30x = 15,409.38 × 6,130.50
  4. Step 4: Simplify right side
    11,166.30x = 94,467,204.09
  5. Step 5: Solve for x
    x = 94,467,204.09/11,166.30
  6. Step 6: Final answer
    x = 8,460.03

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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.