Home / 11,276.41-15,564.57-6,561.60

Finding the Fourth Proportional to 11,276.41, 15,564.57 and 6,561.60

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Solution

The fourth proportional to 11,276.41, 15,564.57 and 6,561.60 is: 9,056.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,276.41 : 15,564.57 = 6,561.60 : x
  2. Step 2: Convert to fraction form
    11,276.41/15,564.57 = 6,561.60/x
  3. Step 3: Cross multiply
    11,276.41x = 15,564.57 × 6,561.60
  4. Step 4: Simplify right side
    11,276.41x = 102,128,482.51
  5. Step 5: Solve for x
    x = 102,128,482.51/11,276.41
  6. Step 6: Final answer
    x = 9,056.83

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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.