Home / 15,273.64-21,090.46-11,490.24

Finding the Fourth Proportional to 15,273.64, 21,090.46 and 11,490.24

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Solution

The fourth proportional to 15,273.64, 21,090.46 and 11,490.24 is: 15,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,273.64 : 21,090.46 = 11,490.24 : x
  2. Step 2: Convert to fraction form
    15,273.64/21,090.46 = 11,490.24/x
  3. Step 3: Cross multiply
    15,273.64x = 21,090.46 × 11,490.24
  4. Step 4: Simplify right side
    15,273.64x = 242,334,447.11
  5. Step 5: Solve for x
    x = 242,334,447.11/15,273.64
  6. Step 6: Final answer
    x = 15,866.19

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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.