Home / 19,887.64-27,445.54-10,934.68

Finding the Fourth Proportional to 19,887.64, 27,445.54 and 10,934.68

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Solution

The fourth proportional to 19,887.64, 27,445.54 and 10,934.68 is: 15,090.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,887.64 : 27,445.54 = 10,934.68 : x
  2. Step 2: Convert to fraction form
    19,887.64/27,445.54 = 10,934.68/x
  3. Step 3: Cross multiply
    19,887.64x = 27,445.54 × 10,934.68
  4. Step 4: Simplify right side
    19,887.64x = 300,108,197.33
  5. Step 5: Solve for x
    x = 300,108,197.33/19,887.64
  6. Step 6: Final answer
    x = 15,090.19

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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.