Home / 15,072.36-20,787.96-14,066.28

Finding the Fourth Proportional to 15,072.36, 20,787.96 and 14,066.28

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Solution

The fourth proportional to 15,072.36, 20,787.96 and 14,066.28 is: 19,400.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    15,072.36 : 20,787.96 = 14,066.28 : x
  2. Step 2: Convert to fraction form
    15,072.36/20,787.96 = 14,066.28/x
  3. Step 3: Cross multiply
    15,072.36x = 20,787.96 × 14,066.28
  4. Step 4: Simplify right side
    15,072.36x = 292,409,265.99
  5. Step 5: Solve for x
    x = 292,409,265.99/15,072.36
  6. Step 6: Final answer
    x = 19,400.36

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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.