Home / 11,140.57-15,373.74-6,104.68

Finding the Fourth Proportional to 11,140.57, 15,373.74 and 6,104.68

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Solution

The fourth proportional to 11,140.57, 15,373.74 and 6,104.68 is: 8,424.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,140.57 : 15,373.74 = 6,104.68 : x
  2. Step 2: Convert to fraction form
    11,140.57/15,373.74 = 6,104.68/x
  3. Step 3: Cross multiply
    11,140.57x = 15,373.74 × 6,104.68
  4. Step 4: Simplify right side
    11,140.57x = 93,851,713.22
  5. Step 5: Solve for x
    x = 93,851,713.22/11,140.57
  6. Step 6: Final answer
    x = 8,424.32

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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.