Home / 11,152.54-15,390.54-6,116.80

Finding the Fourth Proportional to 11,152.54, 15,390.54 and 6,116.80

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Solution

The fourth proportional to 11,152.54, 15,390.54 and 6,116.80 is: 8,441.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,152.54 : 15,390.54 = 6,116.80 : x
  2. Step 2: Convert to fraction form
    11,152.54/15,390.54 = 6,116.80/x
  3. Step 3: Cross multiply
    11,152.54x = 15,390.54 × 6,116.80
  4. Step 4: Simplify right side
    11,152.54x = 94,140,855.07
  5. Step 5: Solve for x
    x = 94,140,855.07/11,152.54
  6. Step 6: Final answer
    x = 8,441.20

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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.