Home / 19,893.40-27,451.10-10,941.28

Finding the Fourth Proportional to 19,893.40, 27,451.10 and 10,941.28

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Solution

The fourth proportional to 19,893.40, 27,451.10 and 10,941.28 is: 15,097.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,893.40 : 27,451.10 = 10,941.28 : x
  2. Step 2: Convert to fraction form
    19,893.40/27,451.10 = 10,941.28/x
  3. Step 3: Cross multiply
    19,893.40x = 27,451.10 × 10,941.28
  4. Step 4: Simplify right side
    19,893.40x = 300,350,130.13
  5. Step 5: Solve for x
    x = 300,350,130.13/19,893.40
  6. Step 6: Final answer
    x = 15,097.98

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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.