Home / 15,090.47-22,635.60-8,208.71

Finding the Fourth Proportional to 15,090.47, 22,635.60 and 8,208.71

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Solution

The fourth proportional to 15,090.47, 22,635.60 and 8,208.71 is: 12,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,090.47 : 22,635.60 = 8,208.71 : x
  2. Step 2: Convert to fraction form
    15,090.47/22,635.60 = 8,208.71/x
  3. Step 3: Cross multiply
    15,090.47x = 22,635.60 × 8,208.71
  4. Step 4: Simplify right side
    15,090.47x = 185,809,076.08
  5. Step 5: Solve for x
    x = 185,809,076.08/15,090.47
  6. Step 6: Final answer
    x = 12,313.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.