Home / 10,090.64-15,115.32-4,892.24

Finding the Fourth Proportional to 10,090.64, 15,115.32 and 4,892.24

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Solution

The fourth proportional to 10,090.64, 15,115.32 and 4,892.24 is: 7,328.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    10,090.64 : 15,115.32 = 4,892.24 : x
  2. Step 2: Convert to fraction form
    10,090.64/15,115.32 = 4,892.24/x
  3. Step 3: Cross multiply
    10,090.64x = 15,115.32 × 4,892.24
  4. Step 4: Simplify right side
    10,090.64x = 73,947,773.12
  5. Step 5: Solve for x
    x = 73,947,773.12/10,090.64
  6. Step 6: Final answer
    x = 7,328.35

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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.